(3YHOGdMejO Hf jMji GdcGJH(B: (3heGJHbi ef QSGFdg hQSGFd SGde GHi GdYdGA (B/ s - (3GMSGf YHGSs ([S.N] : (3OGQ GdTQhb , s, 1988)
Keywords: (3GdGOH GdYQHis; (3GdQSGFds; (3GdQSGFd ai GdGOHs; (3YHOGdMejO GdcGJHs; (3GdeLehYGJs