(3eHGOiA GdJCejf (B: s (3OQGSI Yf hGbY GdJCejf aj GdCQOf (B/ s - (3QeVGf, RjGOs ((3YeGf (B:s (3GdLGeYI GdCQOfjI (B- (3cdjI GdCbJUGO hGdJLGQI,s, 1983)
Keywords: (3GdJCejfs; (3GdCQOfs