Okpa, John Thompson; Ugwuoke, Christopher Uchechukwu; Ajah, Benjamin Okorie; Eshioste, Emmanuel; Igbe, Joseph Egidi; Ajor, Ogar James; Okoi, Ofem, Nnana; Eteng, Mary Juachi et al. (2022-09-05). "Cyberspace, Black-Hat Hacking and Economic Sustainability of Corporate Organizations in Cross-River State, Nigeria" (in en). SAGE Open12 (3): 215824402211227. doi:10.1177/21582440221122739. பன்னாட்டுத் தர தொடர் எண்:2158-2440.
Okpa, John Thompson; Ugwuoke, Christopher Uchechukwu; Ajah, Benjamin Okorie; Eshioste, Emmanuel; Igbe, Joseph Egidi; Ajor, Ogar James; Okoi, Ofem, Nnana; Eteng, Mary Juachi et al. (2022-09-05). "Cyberspace, Black-Hat Hacking and Economic Sustainability of Corporate Organizations in Cross-River State, Nigeria" (in en). SAGE Open12 (3): 215824402211227. doi:10.1177/21582440221122739. பன்னாட்டுத் தர தொடர் எண்:2158-2440.