زبردست، ا.، و رضایی، پ. (1396). سنجش ماهیت توسعۀ چندمرکزی مجموعۀ شهری رشت. مطالعات ساختار و کارکرد شهری، 15، 23ـ53.
لطفی، ص.، شهابی شهمیری، م.، و روشناس، س (1396). بررسی تطبیقی ساختار فضایی و صرفههای مکانی شهرنشینی (یک مطالعۀ موردی از شیراز و مازندران مرکزی). مجله جغرافیا و برنامهریزی، 60، 197ـ220.
مرکز آمار ایران (1390). سالنامۀ آماری استان گیلان. فصل سوم. نیروی انسانی.
مرکز آمار ایران (1390). سالنامۀ آماری استان مازندران. فصل سوم. نیروی انسانی.
Boix, R., & Trullen, J. (2007). Knowledge, networks of cities and growth in regional urban systems. Papers in Regional Science, 86(4), 551-574.
Boschma, R., Eriksson, R. H., & Lindgren, U. (2014). Labour market externalities and regional growth in Sweden: The importance of labour mobility between skill-related industries. Regional studies, 48(10), 1669-1690.
Boschma, R., & Frenken, K. (2011). Technological relatedness, related variety and economic geography. In Handbook of regional innovation and growth: Edward Elgar Publishing.
Boussauw, K., Van Meeteren, M., Sansen, J., Meijers, E., Storme, T., Louw, E., . . . Witlox, F. (2018). Planning for agglomeration economies in a polycentric region: Envisioning an efficient metropolitan core area in Flanders. European Journal of Spatial Development.
Camagni, R., & Capello, R. (2004). The city network paradigm: Theory and empirical evidence. Contributions to Economic Analysis, 266, 495-529.
Camagni, R., Capello, R., & Caragliu, A. (2017). Static vs. dynamic agglomeration economies: Spatial context and structural evolution behind urban growth. In Seminal studies in regional and urban economics (pp. 227-259): Springer.
Capello, R. (2000). The city network paradigm: measuring urban network externalities. Urban studies, 37(11), 1925-1945.
Combes, P.-P., & Gobillon, L. (2015). The empirics of agglomeration economies. In Handbook of regional and urban economics (Vol. 5, pp. 247-348): Elsevier.
Cowell, M. (2010). Polycentric regions: comparing complementarity and institutional governance in the San Francisco Bay area, the Randstad and Emilia-Romagna. Urban studies, 47(5), 945-965.
Duranton, G., & Puga, D. (2004). Micro-foundations of urban agglomeration economies. In Handbook of regional and urban economics (Vol. 4, pp. 2063-2117): Elsevier.
Ejdemo, T., & Örtqvist, D. (2020). Related variety as a driver of regional innovation and entrepreneurship: A moderated and mediated model with non-linear effects. Research Policy, 49(7), 104073.
Eriksson, R. H., & Hane-Weijman, E. (2017). How do regional economies respond to crises? The geography of job creation and destruction in Sweden (1990–2010). European Urban and Regional Studies, 24(1), 87-103.
Franz, P., & Hornych, C. (2010). Political institutionalisation and economic specialisation in polycentric metropolitan regions: the case of the East German ‘Saxony Triangle’. Urban studies, 47(12), 2665-2682.
Frenken, K., Van Oort, F., & Verburg, T. (2007). Related variety, unrelated variety and regional economic growth. Regional studies, 41(5), 685-697.
Glaeser, E. L., Ponzetto, G. A., & Zou, Y. (2016). Urban networks: Connecting markets, people, and ideas. Papers in Regional Science, 95(1), 17-59.
Hanssens, H., Derudder, B., Van Aelst, S., & Witlox, F. (2014). Assessing the functional polycentricity of the mega-city-region of Central Belgium based on advanced producer service transaction links. Regional studies, 48(12), 1939-1953.
Henderson, J. V. (1974). The sizes and types of cities. The American Economic Review, 56, 640-6.
Johansson, B., & Quigley, J. M. (2004). Agglomeration and networks in spatial economies. In Fifty years of regional science (pp. 165-176): Springer.
Kloosterman, R. C., & Lambregts, B. (2001). Clustering of economic activities in polycentric urban regions: the case of the Randstad. Urban studies, 38(4), 717-732.
Krugman, P. R. (1991). Geography and trade: MIT press.
Kuusk, K. (2021). Regional differences in how related variety ‘works’: the case of labour mobility. European planning studies, 1-23.
Kuusk, K., & Martynovich, M. (2021). Dynamic Nature of Relatedness, or What Kind of Related Variety for Long‐Term Regional Growth. Tijdschrift voor economische en sociale geografie, 112(1), 81-96.
Markusen, A., & Schrock, G. (2006). The distinctive city: divergent patterns in growth, hierarchy and specialisation. Urban studies, 43(8), 1301-1323.
McCafferty, D., Van Egeraat, C., Gleeson, J., & Bartley, B. (2013). Urban specialisation, complementarity and spatial development strategies on the island of Ireland. Administration, 60(3), 115-140.
Meijers, E. (2007). Clones or complements? The division of labour between the main cities of the Randstad, the Flemish Diamond and the RheinRuhr Area. Regional studies, 41(7), 889-900.
Meijers, E., Hoogerbrugge, M., & Cardoso, R. (2018). Beyond polycentricity: Does stronger integration between cities in polycentric urban regions improve performance? Tijdschrift voor economische en sociale geografie, 109(1), 1-21.
Meijers, E. J. (2007). Synergy in polycentric urban regions: complementarity, organising capacity and critical mass (Vol. 13): Ios Press.
Meijers, E. J., & Burger, M. J. (2017). Stretching the concept of ‘borrowed size’. Urban studies, 54(1), 269-291.
Meijers, E. J., Burger, M. J., & Hoogerbrugge, M. M. (2016). Borrowing size in networks of cities: City size, network connectivity and metropolitan functions in Europe. Papers in Regional Science, 95(1), 181-198.
Muenter, A., & Volgmann, K. (2021). Polycentric regions: Proposals for a new typology and terminology. Urban studies, 58(4), 677-695.
Ullman, E. L. (1956). The role of transportation and the bases for interaction. In Man's role in changing the face of the earth, 862-880.
Volgmann, K., & Münter, A. (2018). Specialization of and complementarities between (new) knowledge clusters in the Frankfurt/Rhine-Main urban region. Regional Studies, Regional Science, 5(1), 125-148.
Wang, Y., Sun, B., & Zhang, T. (2020). Do polycentric urban regions promote functional spillovers and economic performance? Evidence from China. Regional studies, 1-12.
Yeung, H. W.-c. (2021). Regional worlds: from related variety in regional diversification to strategic coupling in global production networks. Regional studies, 55(6), 989-1010.