Sripirom N, Klomjek P, Sarin C. Knowledge, Attitudes, and Practices of Green Public Procurement (GPP) among the Local Administrative Organizations. JSSRA [internet]. 2025 Sep. 30 [cited 2026 Sep. 10];20(3):135-50. available from: https://so05.tci-thaijo.org/index.php/JSSRA/article/view/280468