(3TQM bGfhf GdVQGFH Ydj GdONd aj eUQ (B/s - (3YHOGdMajX YHOGddg YjOs ((3GdbGgQI (B:s (3LGeYI GdbGgQI(B,s, 1984)
(3GdfU HGddZI GdYQHjIs
Keywords: (3VQGFH GdONds; (3bGfhf VQjHjs; (3ONd bhejs; (3ONd aQOs; (3echSs; (3VQGFH eHGTQIs; (3VQGFH ZjQ eHGTQIs