Munalim, Leonardo O. Business is business : a complete guide to effective business correspondence Leonardo O. Munalim - 2nd ed. -- - Mandaluyong City : Books atbp., 2023. - xii, 234 pages ; 22 cm ISBN: 978-621-409-215-4 Subjects--Topical Terms: Business communication. LC Class. No.: Fil HF 5718 M86 2023