Jane B. Casiano, Gladys, John Ray V. Dela Cruz, Regie E. Irineo, Monique B. Jimenez, Anjennette F. Patricio, and Felipe E. Balaria. “Factors Affecting Suppliers’ Refusal to Participate in Public Procurement through Competitive Bidding”. International Journal of Advanced Engineering, Management and Science 8, no. 3 (March 15, 2022). Accessed December 5, 2024. https://journal-repository.com/index.php/ijaems/article/view/4773.