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, vol. 32, no. S6 (2025): Posted 15 September, pp. 1515–1519, Sep. 2025.