Rengkounkway , Metta. “A Study of Quality of Life of Supplementary Vocational Trained Farmers”. Dusit Thani College Journal 14, no. 3 (December 31, 2020): 564–577. Accessed March 29, 2024. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/245545.