TY - BOOK AU - De Leon, Hector S. AU - De Leon, Hector M., Jr. TI - The National internal revenue code annotated : : (P.D. No. 1158, as amended up to R.A. No. 10021) / SN - 9789712355769 U1 - LAW 343.59904 D37n 2011 vol. 1 PY - 2011/// CY - Manila : PB - Rex Book Store, KW - Internal revenue law KW - Philippines. N1 - Includes bibliographical references. ER -