(3cd Ti Yf af GdecQejI (B/ s - (3YfGjGJ GdegOis ([S.N] : (3ecJHI GHf SjfGA , s, 1989)
Keywords: (3GdMQa GdjOhjIs; (3GdOjchQs; (3GTZGd GdfSjLs; (3GdOjchQ GdOGNdis