(3GdSajfI GdPgHjI (B/ s - (3eMehO GdHOhis ([S.N] : (3OGQ GdTYH ddWHGYI hGdfTQ , s, 1971)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYGWajIs; (3GdbUUs