(3GdfUhU GdTYQjI ai cJH GdKGfhjI GdYGeI(B:s ((3OQGSI ai Yde GLJeGY GdfU GdCOHi (B) /s - (3CeGfi MGaX YHO GdNGdb GdMafGhi s ([(3O(B.(3e(B]:s [(3O(B.(3f(B]s, 1997)
(3OQLI GdeGLSJjQ (B:(3cdjI GdBOGH (B-(3LGeYI GdbGgQI (B,1997.s
Keywords: (3GdfUhU GdTYQjI s -- (3GdKGfhjI GdYGeI (B.s