National internal revenue code, annotated (as amended up to March 29, 1973 by Pres. Decree no. 163)
| Erakunde egilea: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Manila
Recto Pub.
[1973]
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| Gaiak: |