By: LHEA V. SECULLES Diffun, Quirino – The Department of Science and Technology Provincial Science and Technology Center (DOST-PSTC) Quirino accepts 20 students under the work immersion program of Diffun National High School on October 21, 2019. “Work Immersion is vital in learning and developing career skills….. this is a great opportunity to impart our continue reading : DOST Quirino to train 20 Students