.(3GSJNOGe JcfhdhLjG GdGJUGd ef GLd aQU JQHhjI CaVd aj GdefWbI (B.(3GdYQHjIs - .(3GdGhfSch(B. (3ecJH GdGhfSch GdGbdjej ddJQHjI aj GdOhd GdYQHjI jhfOHGS (B.((3GdefGeI, GdHMQjf(B)s; Unesco ((3GdefGeIs, 1983)
Keywords: (3GdJYdjes -- (3GLgRg JQHhjIs