(3GHf QTjb hfbO GdTYQ (B: (3OQGSI JMdjdjI fbOjI JGQjNjI ebGQfI (B/ s - (3YHOGdQDha YHOGdYRjR eNdhas ([S.N] : (3hcGdI GdeWHhYGJ , s, 1973)
Keywords: (3GdGOH GdYQHis; (3GdfbOs; (3GdGfOdSs; (3GdGhRGf GdTYQjIs; (3JGQjN hfbOs; (3GdTYQ GdYQHi (B- (3GdGfOdSis