O. C. O. Ozioma Collins Oguine, K. J. O. Kanyifeechukwu Jane Oguine, H. I. B. Hashim Ibrahim Bisallah, and D. O. Daniel Ofuani, “The Hybrid Facial Expression Recognition (FER2013) Model for Real-Time Emotion Classification and Prediction”, BOHR International Journal of Internet of things, Artificial Intelligence and Machine Learning (BIJIAM), vol. 1, no. 1, pp. 63–71, Aug. 2022.