Diaz, Hermogenes T. Implementation of work immersion program in the Schools Division of La Union / Hermogenes T. Diaz. - Saint Louis College : [s.n.], 2021. - xiv, 196 pages : illustrations ; 28 centimeter. References: pages 144-150. Subjects--Topical Terms: Student. Dewey Class. No.: TH 373.19 D54i 2021