(3cjejGA GdeQcHGJ GdYVhjI (B/ s - (3GdfGXQ, ehSis; (3LQGQ, YGOds; (3jMjGhj, UdGMs ((3JhfS (B:s (3GdefXeI GdYQHjI ddJQHjI h GdKbGaI h GdYdhe , EOGQI GdJQHjI,s, 1987)
Keywords: (3GdcjejGA GdYVhjIs