Ampongan, Omar Erasmo G. Income taxation: with tax principles and remedies/ Omar Erasmo G. Ampongan.-- -- 13th ed. -- -- Mandaluyong City: Mutual Books, Inc. 2014. xvi, 573 p.; 22 cm. Subjects--Topical Terms: Income Tax.Dewey Class. No.: Fil 336.24 Am74 2014