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