De Leon, Hector S. The law on income taxation: with illustrations, problems, and solutions/ by Hector S. De Leon and Hector M. De Leon, Jr. - 13th Edition - Manila: Rex Book Store, c2009. - xxiii, 606 pages; 23 cm. ISBN: 978-9-71233059-9 Subjects--Topical Terms: Income tax Dewey Class. No.: DFil 336.24 / D34l