(3GdeGdjI GdYGeI ddMce GdeMdi (B:s (3OQGSI ebGQfI eY GdETGQI Edi eUQ (B/ s - (3YHO GdLdjd ghjOis ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHi (B,s, 1983)
(3jTJed Ydi GjVGMjGJ , LOGhd (B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeIs -- (3eUQs; (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs