(3GdTYQ ai YgO GdeQGHWjf hGdehMOjf HGdGfOdS (B/ s - (3eMeO eLjO GdSYjOs ([S.N] : (3GdOGQ GdYQHjI ddehShYGJ , s, 1985)
Keywords: (3GdTYQ GdYQHis; (3GdeQGHWhfs; (3GdehMOhfs; (3JGQjN hfbOs