| Title | Journal | Journal Categories | Citations | Publication Date |
|---|---|---|---|---|
| The King James Version Bible Dictionary—Concordance (2001). Brus sels: Thomas Nelson. | ||||
| Nnaji, O. C. (2012). Origin and true meaning of philosophy. Abuja: Theometry. | ||||
| Nnaji, O. C. (2011b). Theometry; scientific philosophy of religion (pp. 74-75). Abuja: Theometry. | ||||
| Nnaji, O. C. (2011a). Religious statistics and estimation mathematics. Abuja: AJPR. | ||||
| Nabofa, M. Y. (1996). Symbolism in African traditional religion. Iba dan: MYN. |