(3Ndb GdEfSGf Hjf GdWH hGdbQBf (B/s - (3GdHGQ, eMeO Ydjs 1358 (3gLQj(B-s ((3LOI (B- (3GdSYhOjI(B:s (3GdOGQ GdSYhOjI ddfTQ hGdJhRjY,s, 1981)
Keywords: (3GdbQBf hGdEfSGfs; (3Ndb GdEfSGfs