(3GdefgL GdehVhYi fXQjI hJWHjb (B/ s - (3YHOGdcQje MSfs ([S.N] : (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY , s, 1990)
Keywords: (3GdadSaIs