(3GdJTQjY GdVQjHj GdeUQj (B:s 1- (3GdVQGFH GdeHGTQI (B/s - (3eMeO CMeO GdQRGRs ((3GdbGgQI (B:s (3ecJHI GdbGgQI GdMOjKI(B,s, 1974)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs; (3JTQjY VQjHjs; (3VQGFH eUQjIs; (3VQGFH eHGTQIs; (3bGfhf GdVQGFHs; (3GdLRjIs; (3GdMcheIs