(3LeGd YHOGdfGUQ ef MUGQ GdaGdhLI MJi GdGSJbGdI GdeSJMjdI (B/ s - (3OheGc, LGcs; (3dhQhG, eGQis; (3ceGd LfHdGWs ((3HjQhJ (B: s (3OGQ GdGOGH , s, 1988)
Keywords: (3GdGMhGd GdSjGSjIs; (3KhQI (B23 (3jhdjh (B1952s; (3LeGd YHOGdfGUQs