(3GdGNdGb hGdSjGSI (B/ s - (3Thbi LdGds; (3JjJGQKch, G(B.s ([S.N] : (3GdecJHI GdGcGOjejI , s, 1975)
Keywords: (3GdeGQcSjIs; (3GdSjGSIs; (3GdGNdGbs; (3GdSjGSI (B- (3fXQjGJs; (3GdGNdGb GdSjGSjIs