(3GdGUObGA hGdaJi GdTLGY(B: (3eSQMjJGf (B/ s - (3fYje YWjIs ([S.N] : (3OGQ YRJ NWGH ddWHY hGdfTQ , s, 1969)
Keywords: (3GdGOH GdYQHis; (3GdeSQMjGJ GdYQHjI (B- (3eLehYGJs