Yumang F, Mantillas C. The Procurement Process in the Barangays of the City of Manila: Examining Practices and Alternative Systems and Problems Towards a Procurement Primer. jip [Internet]. 2025 Mar. 30 [cited 2025 Oct. 16];3(4):452-64. Available from: https://jippublication.com/index.php/jip/article/view/511