- Author: Frank Kokori
- Language: English
- Year: 2014
- Author: Edobor Igbinovia
- Language: English
- Year: 2014
- Author: Nigeria Nigeria Federal Inland Revenue Service
- Language: English
- Year: 2012
- Author: Pascal G. Dozie
- Language: English
- Year: 2012
- Author: Pascal G. Dozie
- Language: English
- Year: 1999
- Author: John O. Oucho
- Language: English
- Year: 2012
- Author: Nigeria Nigeria Federal Inland Revenue Service
- Language: English
- Year: 2012
- Author: Ifueko Omoigui Okauru
- Language: English
- Year: 2012
- Author: Simeon Olajire Olanlokun, Okanlawon Oladip Adediji
- Language: English
- Year: 2012