(3McGjJi eY GdfLhe(B: (3YHO GdMdje MGaX (B/ s - (3LhQL GHQGgje GdNhQis ([S.N] : (3LQhS HQS , s, 1990)
Keywords: (3GdehSjbis; (3GdGZGfi GdeUQjIs; (3GdeWQHhf hGdeWQHGJs; (3GdehSjbjhf (B- (3JQGLes