DO MEMO NO. 352, S. 2021. KAPEHAN SA HAPON: MASS ORIENTATION SERIES ON THE FOUR HUMAN RESOURCES (HR) SYSTEMS Posted on October 22, 2021 by DepEd Mandaluyong Leave a comment DO MEMO NO. 352, S. 2021. KAPEHAN SA HAPON: MASS ORIENTATION SERIES ON THE FOUR HUMAN RESOURCES (HR) SYSTEMS Memorandum Numbered