(3ai GdTYQ GdYHGSi (B: (3GdQDjI hGdaf (B/s - (3YRGdOjf GSeGYjd s ([S.N] : (3GdecJHI GdGcGOjejI , s, 1994)
Keywords: (3GdGOH GdYQHis; (3GdeQCI ai GdGOHs; (3JGQjN hfbOs; (3GdTYQ GdYQHi (B- (3GdYUQ GdMOjKs; (3GdTYQ GdYQHi (B- (3GdYUQ GdYHGSi GdGhds