TY - BOOK AU - De Leon, Hector S. AU - TI - The national internal revenue code annotated: : P.O. no. 1158, as ammended up to R.A. no. 8761 SN - 971-23-2953-4 U1 - 343.599 D346 2000 CY - Manila PB - Rex Book Store. KW - Taxation-Philippines, Law KW - Internal Revenue Law-Philippines ER -