Sirada Thongswat, Daoruwan Thawikan and Wallapa Arirat (2025) “Entrepreneurial competence of primary school administrators in Thailand”, Utilitas Mathematica , 122(1), pp. 595–606. Available at: https://utilitasmathematica.com/index.php/Index/article/view/2163 (Accessed: 27 July 2026).