(3LQGFe GdCMOGK ai VhA GdabI hbVGA GdfbV (B:s (3JMdjd Ydei ddbGfhf GdLOjO (B12 (3dfI (B1996 /s - (3YHO GdMce ahOIs ((3GdCScfOQjI (B:s (3OGQ GdeWHhYGJ GdLGeYjI ,s, 1997)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdMeGjI GdLfGFjI ddCMOGKs; (3dbGfhf GdLfGFjs