(3deUQ dG dYHO GdfGUQ (B/ s - (3eMeO MSfjf gjcds ([S.N] : (3eQcR GdGgQGe ddJQLeI hGdfTQ , s, 1987)
Keywords: (3eUQs; (3JGQjNs; (3GdGMhGd GdSjGSjIs; (3ShQjGs; (3GdhMOI GdYQHjIs; (3MQH jhfjh (B1967 - (3eUQs; (3LeGd YHOGdfGUQs