MalekHoseini, Abas, Saffari Raad, Ali, Ghasemi, Ahmad, Rajabi Amir Abad, Robabeh (2015). Analysis the Urban Hierarchy of Gilan  Province between 1986- 2011- Based on: Rank-Size,  logarithmic Models,
the Lorenz Curve and the Gini Coefficient. **, 8(30), 111-135.