TIJAM, Gilbert. GPS-Guided Focal-Point Identification and Hydraulic Optimization of a Submersible Floating-Waste Collector in Matab-Ang River, Philippines. International Journal of Education, Research, and Innovation Perspectives, Philippines, v. 2, n. 9, p. 371–376, 2026. DOI: 10.5281/zenodo.22334480. Disponível em: https://ijerip.erio.org.ph/index.php/articles/article/view/1653. Acesso em: 21 sep. 2026.