(3GdeSJbHd YTQhf MhGQ Yf GdWH hGdLfS hGdMjGI eY CcHQ YdeGA GdZQH (B/ s - (3hOjY MfGs; (3SGdhehf, ejTjds ([S.N] : (3ecJHI eOHhdi , s, 1981)
Keywords: (3GdGOH GdYQHis; (3GdGOH GdYQHi (B- (3ebGdGJs