(3GdcMhd h GdUMI (B/ s - (3aGQO, HQjGfs ((3HjQhJ (B:s (3OGQ GdjhSa,s, 1998)
Keywords: (3GdUMIs; (3GdcMhds; (3fGTFhf UZGQ (B(10-14 (3SfI(B)s; (3fGTFhf cHGQ (B(15-18 (3SfI(B)s