(3YbhHI GdEYOGe (B: s (3Md Ce eTcdI ? OQGSI eYebI hebGQfI aj GdfXQjI hGdJWHjb (B/ s - (3QHGM, ZSGfs ((3HjQhJ (B:s (3eDSSI fhad,s, 1987)
Keywords: (3YbhHI GdEYOGes; (3GdbGfhf GdLfGFjs