(3GdfMh GdhGVM aj bhGYO GddZI GdYQHjI ddeOGQS GdKGfhjI (B/ s - (3GdLGQe, Ydjs; (3Cejf, eUWais ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1975)
Keywords: (3GddZI GdYQHjIs; (3bhGYO GddZIs; (3GdCaYGd (B((3fMh(B)s; (3GdCSeGAs; (3Yde GdUQas