TY - BOOK AU - DE LEON , HECTOR M. JR. AU - DE LEON , HECTOR S. TI - The national internal revenue code: annotated, vol. 1 / SN - 971-23-3851-7 U1 - Fil. 343.59904 D278 2003 8TH ed. PY - 2003/// CY - Manila, Philippines PB - Rex Book Store KW - Internal revenue ER -