(3GdgfOSI GdRQGYjI (B: s (3eYLe YQHj eY GdJYGQja(B- (3EfLdjRj (B- (3aQfSj (B- (3GdeGfj (B/ s - (3fUGQ, eMeO YHO GdeLjOs; (3eQYj, MSfs ((3GdbGgQI (B:s (3eDSSI GdCgQGe,s, 1977)
Keywords: (3GdgfOSI GdRQGYjIs; (3GdbhGejSs