(3GdMOjO h GdahdGP (B/ s - (3eWdb, Qajbs ((3HjQhJ (B:s (3ecJHI dHfGf,s, 1987)
Keywords: (3UfGYI GdMOjO hGdUdHs; (3fGTFhf UZGQ (B(10-14 (3SfhGJ (B)s