TY - BOOK AU - Ortega,Antonio I. TI - National internal revenue code of 1997: : annotated SN - 9710354965 U1 - 343.59904 PY - 2006/// CY - Quezon City PB - Central Book Supply KW - Internal revenue law KW - Philippines KW - Taxation KW - Law and legislation KW - lcgft N1 - v. 1. National internal revenue code of 1997 : annotated; v. 2. National internal revenue code of 1997 : annotated : with reformed VAT law of 2005 (RA 9337) and implementing revenue regulations and guidelines ER -