(3GdebGeI(B.(3W(B6 / s - (3Thbi Vjas ([S.N] : (3OGQ GdeYGQa , s, 1987)
Keywords: (3GdebGeGJs; (3GdebGeGJ GdYQHjIs; (3GdGOH GdYQHi (B- (3GdebGeGJs