Santos, Gil Nonato C. Science and technology I : e-science the next generation teachers manual / Gil Nonato C. Santos, Jorge P. Ocampo. - Manila: Rex Book Store, Inc. , 2003. - v, 127 pages ; 25 cm " Young Adult English ISBN: 9712338444 Subjects--Topical Terms: Science - manual. Dewey Class. No.: 500 / S5