(3GdeQCI ai GdGOH GdLGgdi (B/ s - (3YUGe GdSjhais ([S.N] : (3OGQ GdacQ GddHfGfi , s, 1991)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdYUQ GdLGgdis; (3GdeQCI ai GdGOHs