(3GdehShYI aj GdCOH GdYQHj (B- ( 5 ) - (3TYQ Gddgh h GdNeQ (B: (3JGQjNg hCYdGeg (B( (3GdCYTi (B- (3GdCNWd (B- (3CHh fhGS (B)s - (3ZQjH(B. (3LhQLs ((3OGQ GdKbGaIs (3HjQhJs, 1983)
Keywords: (3GdCOH GdYQHj (B- (3TYQ GdZRds; (3GdCYTi (B- (3JQGLe s; (3GdCNWd (B- (3JQGLe s; (3CHh fhGS (B- (3JQGLe s