(3GfJNGHGJ GdcfjSJ GdKGfi YTQ ai GSQGFjd (B/ s - (3GMeO UObi GdOLGfis; (3eQcR GdHMhK hGdOQGSGJ GdSjGSjIs; (3GdSjO YdjhIs; (3GTQa QGVis ([S.N] : (3eQcR GdHMhK hGdOQGSGJ GdSjGSjI , s, 1989)
Keywords: (3GdGMhGd GdSjGSjIs; (3GdGfJNGHGJs; (3GSQGFjds; (3GdGMRGH GdSjGSjIs; (3GdcfjSJs