Ampadu , Clement Boateng. “A Fixed Point Theorem of the Hardy and Rogers Kind Endowed With Multiplicative Cone-C Class Functions”. Earthline Journal of Mathematical Sciences 2, no. 1 (May 16, 2019): 169-179. Accessed March 29, 2024. https://earthlinepublishers.com/index.php/ejms/article/view/106.