Festinger, L., Schachter, S., & Back, K. (1950). The spatial ecology of group formation. InĀ Social pressure in informal groups (pp.141-161). Stanford University Press (originally published in 1950 by Harper and Brothers).
Festinger, L., Schachter, S., & Back, K. (1950). The spatial ecology of group formation. InĀ Social pressure in informal groups (pp.141-161). Stanford University Press (originally published in 1950 by Harper and Brothers).