(3GHf GdQhej(B- (3MjGJg hTYQIs - (3GdeGRfj(B. (3GHQGgje YHO GdbGOQs ((3GdecJHI GdMOjKgs (3HjQhJs, 1987)
Keywords: (3JQGLes; (3GdTYQGA (B- (3JQGLes; (3GHf GdQej(B-(3JQGLes