TY  - BOOK
AU  - Gonzales, Epifanio
AU  - 
AU  - Robledo-Gonzales, Celestina.
TI  - National internal revenue code: Gross income taxation ( BP. Blg. 135)
U1  - 343.04 G643 1984 
CY  - Manila
PB  - Rex Book Store.
KW  - Income tax
KW  - Internal Revenue law
ER  -