Frank Kwarteng Nkrumah, Samuel Amoh Gyampoh, and William Obeng-Denteh. 2019. “The Universal Coefficient Theorem for Homology and Cohomology: An Enigma of Computations”. Archives of Current Research International 17 (4):1–5. https://doi.org/10.9734/acri/2019/v17i430116.