(3Yf WQjb GdNOGY(B: (3UhQI eQhYI ddehSGO ef GdOGNd (B/ s - (3GhSJQhaSci (B, (3ajcJhQs; (3ghi, cdjQs; (3gTGe YHOGddgs; (3eGgQ GdcjGdis; (3LhQL VhQis ([S.N] : (3GdeDSSI GdYQHjI ddOQGSGJ hGdfTQ , s, 1990)
Keywords: (3GdeNGHQGJs; (3GSQGFjds; (3GdJNQjH hGdJOejQs; (3GdehSGOs