UNAPROM, C. . Purchasing Behavior Toward Environmentally Friendly Products for Consumers in Phonngam Subdistrict Nonghan District Udon Thani Province. PAYAP UNIVERSITY JOURNAL, [S. l.], v. 32, n. 2, p. 32–49, 2023. DOI: 10.14456/pyuj.2022.14. Disponível em: https://so05.tci-thaijo.org/index.php/pyu/article/view/263203. Acesso em: 5 may. 2024.