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 2025, 32, 1515-1519.