(3SjGSI edA GdHWhf SjSjhdhLjI GdOhdI GdGaQjbjI (B/ s - (3HGjGQ, LGf aQGfShGs; (3Mdje WhShfs ([S.N] : (3OGQ GdYGde GdKGdK , s, 1989)
Keywords: (3GdGMhGd GdGLJeGYjIs; (3GdGMhGd GdSjGSjIs; (3GdGMhGd GdGbJUGOjIs; (3GaQjbjGs