(3CHh GdMSf GdeSYhOj (B: s (3GdeDQN h GdLZQGaj (B/ s - (3YGUj, MSjfs ((3HjQhJ (B:s (3OGQ GdJH GdYdejI,s, 1993)
Keywords: (3GdJQGLes; (3GdLZQGajhfs; (3GdYUQ GdYHGSjs; (3fGTFhf UZGQ (B(10-14) (3SfIs