Phuong, Ngoc Trinh. “Valuation of Food Security and Cultural Landscape Services for Paddy Ecosystems in Developing Countries: A Case Study in Hongthai, Vietnam”. Southeastern Philippines Journal of Research and Development 29, no. 2 (September 14, 2024): 15-29. Accessed October 16, 2024. https://journal.usep.edu.ph/index.php/Southeastern_Philippines_Journal/article/view/265.