(3GdYhGUe ef GdbhGUe aj JMbjb ehGba GdUMGHI HYO haGI GdfHj Udi Gddg Ydjg h Sde (B/ s - (3EHf GdYQHj, CHh HcQ eMeO Hf YHO Gddg Hf eMeO GdWYGaQjj GdETHjdjs; (3GdNWjH, eMH GdOjfs ((3GdbGgQI (B:s (3ecJHI GdSfI,s, 1988)
Keywords: (3GdNdaGA GdQGTOhfs; (3GdJGQjNs