(3GdehSjbi GdGfOdSjI GdeZQHjI afhf GdGOGA (B((3YGde GdeYQaI (B129) / s - (3YHOGdYRjR Hf YHOGdLdjds ([S.N] : (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 1988)
Keywords: (3GdGfOdSs; (3GdeZQHs; (3GdehSjbis; (3GdehTMGJs; (3GdehTMGJ GdGfOdSjIs; (3GdehSjbi GdOjfjIs