Zubayda M. Ibraheem, and Fedaa A. Nayyef. “On TNC-Rings”.
African Journal of Advanced Pure and Applied Sciences (AJAPAS)
2, no. 2 (May 6, 2023): 126–130. Accessed May 21, 2025. https://aaasjournals.com/index.php/ajapas/article/view/342.