(3ef Odjd GdYed GdejOGfi dLGeYi GdJQGK GdTYHi (B/ s (3GdLRA GdKGdK (B.s (3GdOQGSI GdYdejI ddYGOGJ hGdJbGdjO GdTYHjI (B( (3OhQI GdMjGI (B)s - (3eMeO GdLhgQis; (3eMeO GdLhgQis ([S.N] : (3OGQ GdeYQaI , s, 1993)