A Market Research on Introducing Drinking Straw Made of Dried Mango Leaves in the Province of Pampanga. Journal of Namibian Studies : History Politics Culture, [S. l.], v. 34, p. 252–272, 2023. DOI: 10.59670/jns.v34i.1707. Disponível em: https://namibian-studies.com/index.php/JNS/article/view/1707. Acesso em: 3 apr. 2025.