(3GdCef Gdbhej GdYQHj hfXQjI JWHjbg aj ehGLgI GdCef GdESQGFjdj (B/s - (3GdYedI, eMeO jhSas ((3YeGf, GdCQOf (B:s (3OGQ GdLdjd ddfTQ hGdOQGSGJ hGdCHMGK GdadSWjfjI,s, 1990)
(3HHdjhLQGajI (B: (3U(B. 161-162.s
Keywords: (3GdfRGY GdYQHj GdESQGFjdjs; (3GdCef Gdbhejs -- (3GdHdGO GdYQHjIs; (3GdHdGO GdYQHjIs -- (3SjGSI hMcheIs