(เหงียน ถิ ตราง ญุง) Nhung Nguyen Thi Trang, and (ดร.ชัยชาญ วงศ์สามัญ) Dr.Chaicharn Wongsamun. “Practices and Opinions of Farmers on Household Bookkeeping: A Case Study in Lam Thao District, Phu Tho Province, Vietnam Socialist Republic”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences 1, no. 3 (February 6, 2015): 26–42. Accessed May 10, 2024. https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/30434.