Nguyen, T. and Do, T. 2025. Governmental expenditure on education: Efficiency analysis in Asean countries, period 2015 – 2021. Science & Technology Development Journal: Economics- Law & Management. 8, 4 (Feb. 2025), In press. DOI:https://doi.org/https://doi.org/10.32508/stdjelm.v8i4.1442.