(3GdcjejGA hGdJcfhdhLjG GdcjejGFjI aj hGOj GdQGaOjf(B/s - (3djaj eGQJf(B/s; (3GdejGMj,eMehO ajGV GdHOQj,LhGO SdeGf ceGd dGdOjf Ldjds ((3HZOGO(B:s (3OGQ GdQTjO ddfTQ,s, 1980)
Keywords: (3GdcjfjGA hGdJcfhdhLjGs -- (3YGes