(3eYLe JcfhdhLjG GdhSGFd GdSeYjI hGdHUQjI GfLdjRi (B- (3YQHi (B- (3eY eSQO YQHi (B- (3GfLdjRi (B/ s - (3eMehO GSeGYjd Ujfis; (3YeQ GdUOjb YHOGddgs ([ (3HjQhJ(B] : s (3ecJHI dHfGf , s, 1987)
Keywords: (3GdGUhGJ GddZhjIs; (3GddZI GdYQHjIs; (3GdJcfhdhLjGs; (3GdeYGLes; (3GdhSGFd GdSeYjI hGdHUQjIs; (3GdeUWdMGJs