ศรีไชยวาลย์ ส., and จิตต์จันทร์ ด. “An Application of the Four Principles of Padhana to the Performances of Personnel Attached to Sub-District Administrative Organizations in Thung Khao Luang District, Roi Et Provence”. Academic Journal of Mahamakut Buddhist University Roi Et Campus, vol. 8, no. 1, July 2018, pp. 19-27, https://so01.tci-thaijo.org/index.php/AJMBU/article/view/194911.