Nuiplot, N.- on. “Results of Occupational Group Promotion in Krachaeng Subdistrict, Phra Nakhon Si Ayutthaya”. Fa Nuea Journal, vol. 16, no. 1, June 2025, pp. 75-94, https://so01.tci-thaijo.org/index.php/FaNJ/article/view/276724.