(3GdfHhZ GdeZQHi ai GdGOH GdYQHi (B/ s - (3YHOGddg cfhf GdMSjfis ([S.N] : (3ecJHI GdeOQSI hOGQ GdcJGH GddHfGfi , s, 1975)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdGfOdSs; (3GdeZQHs; (3OhGhjf hbUGFOs; (3GdTYQ GdYGWais; (3GdGOH GdYQHi (B- (3JGQjNs; (3GdGOH GdYGdeis; (3GdeLehYGJs