(3Cda HGA GdeGOjI GdLOdjI (B/ s - (3HhOhSJjfjc, aGSjdjs; (3jGNhJ, GhaTjs; (3WQGHjTj, LhQLs ((3HjQhJ (B:s (3OGQ GdWdjYI,s, 1979)
Keywords: (3GdadSaIs; (3GdeGOjI GdLOdjIs; (3GdeOGQS GdadSajIs