1. The COVID-19 impacts food security: trends, impacts and responses;Cheng Guoqiang;China Rural Economy,2020
2. Cheng Guoqiang. Watch out for rising food prices and food production reduction, and the world may fall into the worst food crisis in history [N]. Sohu, 2022-05-31(Chinese Vision).
3. WFP and FAO. 2022. Hunger Hotspots. FAO-WFP early warnings on acute food insecurity: June to September 2022 Outlook. Rome.
4. FAO, IFPRI & WFP. Global Report on Food Crises. 2022.