. (3JYdje GdcHGQ hGdJfejIs "(3eNJGQGJ ef (B"(3eSJbHd GdJQHjIs - ((3GdGhfSch (B.((3HjQhJ,dHfGfs; Unesco ([(3HjQhJ(B] :s (3GdGhfSchs, 1982)
Keywords: (3JYdje GdcHGQs