De Leon, Hector S. The National internal revenue code annotated : (P.D. No.1158, as amended up to R.A. No. 10021.) : volume 2 / by Hector S. De Leon and Hector M. De Leon, Jr. - Ninth edition. - Manila : Rex book Store, 2011. - xv, 922 pages ; 23 centimeter. Includes bibliographical references. ISBN: 9789712360107 Subjects--Topical Terms: Internal revenue law--Philippines. Dewey Class. No.: LAW 343.59904 D37n 2011 vol. II