(3Odjd WQjbI GdJUhjQ GdTYGYj (B/ s - (3ghde, Js; (3HGdeQ, H (B. (3C (B. (3Ss; (3dgJjfjf, C (B.s ((3GdCScfOQjI (B:s (3efXeI GdUMI GdYGdejI (B- (3GdecJH GdCbdjej dTQb GdHMQ GdeJhSW,s, 1988)
Keywords: (3JTNjU GdCeQGVs; (3GdCeQGVs; (3GdJUhjQ HGdCTYIs