Tumamao, Jesus Marie, Joseph Onyl Novilla, Erika Claire J. Azurin, & Rizalinda L. de Leon. " PHOTOCATALYTIC HYDROGEN PRODUCTION USING CLINOPTILOLITE-SUPPORTED, EOSIN Y-SENSITIZED TIO2 FOR WATER SPLITTING." Philippine Engineering Journal [Online], 33.1 (2012): n. pag. Web. 6 Aug. 2025