(3eDQNh eUQ GdGSdGejI heUGOQ GdJGQjN GdeUQi (B/ s - (3eMeO YHOGddg YfGfs ([S.N] : (3eDSSI eNJGQ ddfTQ , s, 1991)
Keywords: (3eUQs; (3GdJGQjN GdGSdGeis; (3GdJGQjNs; (3GdeDQNhf GdeUQjhfs; (3GdeGOI GdJGQjNjIs; (3eUGOQs; (3GdJCQjNs