Nuiplot, Nalin-on. “Results of Occupational Group Promotion in Krachaeng Subdistrict, Phra Nakhon Si Ayutthaya”. Fa Nuea Journal 16, no. 1 (June 14, 2025): 75–94. accessed December 9, 2025. https://so01.tci-thaijo.org/index.php/FaNJ/article/view/276724.