(3OjhGf QSGFd VjGA GdOjfs - (3GHf GdGKjQ (B,(3VjGA GdOjfs ((3GdehUds (3LGeYI GdehUds, 1982)
Keywords: 1. (3GdfKQ GdYQHj(B- (3GdQSGFd C(B.(3fGLj gdGd (B((3eMbb(B) (3H(B. (3GdYfhGfs