Propuesta para la construccion de indicadores de sostenibilidad social., author = Ayales Cruz, Ivannia, editor = Aguilar, Lorena, editor = Estrada, Sandra, editor = Pérez G., Enrique, editor = Rodríguez, Guiselle, address = San José CR, publisher = UICN; ABSOLUTO, year = 1995, pages = 39,