Tumamao, Jesus Marie, 		Novilla, Joseph Onyl, 		Azurin, Erika Claire, AND 		de Leon, Rizalinda.
" PHOTOCATALYTIC HYDROGEN PRODUCTION USING CLINOPTILOLITE-SUPPORTED, EOSIN Y-SENSITIZED TIO2 FOR WATER SPLITTING" <em>Philippine Engineering Journal</em> [Online], Volume 33 Number 1 (11 April 2013)