JOSEF VILL S. VILLANUEVA, WINSTON GOMEZ, MARILOU TOMENTOS, JEYZIEL JOY B. JABEL. “EMPOWERING WATER ACCESS THROUGH SUSTAINABLE ENGINEERING: A RAM PUMP SYSTEM FOR BARANGAY TUBTUBON, SIBULAN, NEGROS ORIENTAL, PHILIPPINES”. TPM – Testing, Psychometrics, Methodology in Applied Psychology 32, no. S6(2025): Posted 15 Sept (September 15, 2025): 1515–1519. Accessed October 26, 2025. https://tpmap.org/submission/index.php/tpm/article/view/2082.