J. N. D. . Bernabe, A. B. . Cal-Ortiz, J. C. . Campo, R. D. . Concepcion, and J. R. A. . Torres, “A Project Proposal for Bicycle Pedal Water Purifier: Vol.3, No.1D”, AASgBCPJMRA, vol. 3, no. 1D, Apr. 2024.