LAYOG, Joey. Practices of Philippine Government Agencies in Shopping and Small Value Procurement. International Journal of Education, Research, and Innovation Perspectives, Philippines, v. 2, n. 6, p. 534–540, 2026. DOI: 10.5281/zenodo.20569752. Disponível em: https://ijerip.erio.org.ph/index.php/articles/article/view/916. Acesso em: 6 jun. 2026.