De Leon, Hector M. Jr. The fundamentals of taxation / Hector M. De Leon, Jr. & Hector S. De Leon - Eighteenth edition - Quezon City, Philippines : Rex Bookstore, c2022. - xxii, 409 pages : illustrations ; 23cm. Includes index. ISBN: 9786210424416 Subjects--Topical Terms: 1. Taxation --- Law --- Philippines. Dewey Class. No.: Fil. 343.04 D346f 2022