(3MQcGJ GdJMQQ aj GdYGde GdKGdK (B/ s - (3GdYeQ, LgGO UGdMs; (3MSjf, eGLO SdeGfs ((3GdHUQI (B:s (3hRGQI GdJYdje GdYGdj h GdHMK GdYdej (B- (3LGeYI GdHUQg,s, 1988)
Keywords: (3GdYGdes; (3GdJGQjNs