(3deMGJ YdejI (B/ s - (3GdWGFj,aGVd GMeO,s; (3eMj GdOjf,YHO GdQRGb,s ([(3HZOGO,GdYQGb(B] : s (3eWHYI GdeLeY GdYdej GdYQGbj,s, 1978)
(3jJVef agQS JaUjdj ddehGVjY(B.s
Keywords: (3GdYdhe(B_s -- (3JGQjNs