Ning Gao, “Heroic City·Red Heritage Shangzhi: Practical Report on Integrating Red Study Tours with Rural Agricultural Economy for Educating People ——An In-Depth Local Exploration Based on Red Labor Study Tours of Key Senior High Schools in Shangzhi City”, erstp, vol. 2, no. 4, pp. 42–47, Jul. 2026, doi: 10.63944/zdn09.erstp.