(3GHjGJ GdeYGfi ai TYQ GdeJfHi(B: (3OQGSI GOHjI fbOjI ebGQfI (B/s - (3YHOg YHOGdYRjR bdjbdI s ([S.N] : (3OGQ GdacQ GdYQHi , s, 1993)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdOhdI GdYHGSjI GdKGfjIs; (3GdeJfHi(B, (3GHh GdWjHs; (3JGQjN hfbOs; (3GdeLehYGJs