Ordonez, Ian Luigie D. Project-based learning, students achievement, and motivation in earth science / Ian Luigie D. Ordonez. - Manila : Technological University of the Philippines, 2019. - 154 pages ; 29 cm. + 1 CDROM (4 3/4 in) Master's thesis. College of Science. -- Includes bibliography. Subjects--Topical Terms: Science LC Class. No.: THE Q 101 / O73 2019