(3eYLe JcfhdhLjG GdhSGFd GdSeYjI hGdHUQjI (B:s (3GfLdjRj YQHj eY eSQO YQHj GfLdjRj (B/s - (3Ujfj, eMehO GSeGYjd,YHO Gddg, YeQ GdUOjb s ((3dHfGf (B:s (3ecJHI dHfGf fGTQhf ,s, 1987)
Keywords: (3EPGYI h JdaRjhfs; (3GdSeYj GdHUQjs; (3bGehS s; (3eYLe s