(3GSGSjGJ GdOjfGejcG GdMQGQjI GdcdGSjcjI (B/ s - (3LhQOhf(B. (3L(B. (3aGf OGjdfs; (3QjJTGQO(B. (3G(B. (3ShfJGLs ([S.N] : (3OGQ Lhf hGjdi hGHfGFI , s, 1981)
Keywords: (3GdOjfGejcGs; (3GdOjfGejcG GdMQGQjIs; (3GdMQGQIs