(3GdOjf hGdOhdI hGdKhQI (B/ s - (3QaYJ SjO GMeOs ([S.N] : (3GdOGQ GdTQbjI , s, 1989)
Keywords: (3KhQI (B23 (3jhdjh (B1952s; (3GdGNhGf GdeSdehfs; (3LeGd YHOGdfGUQs