(3JQLeI eMeO HjQe GdNGeS ai UahI GdGYJHGQ HeSJhOY GdGeUGQ hGdGbWGQ (B. / s - (3Ydi GdTfhai (B((3JMbjb(B)s ([S.N] : (3GdeDSSI GdhWfjI ddJQLeI hGdJMbjb , s, 1989)
Keywords: (3JGQjNs; (3JhfSs; (3eMeO HjQe GdNGeSs; (3GdYGde GdYQHi (B- (3JGQjN (B- (3GdYUQ GdYKeGfis