Nikola Soljan, Niksa The concept of self-management and the socio-economic background of decision-making in education : the Yugoslav model / by Niksa Nikola Soljan. - [París] : UNESCO, 1977. - 12 h. "ED-77/CONF.803/COL.7" Encabezamiento--Tema: Educación--AdministraciónEDUCACION ---YUGOSLAVIA