Aliyu Umar Shelleng, Yahaya Jamil Sule, Jibrin Yahaya Kajuru and Adamu Kabiru 2022. Comparative Study of Lee Carter and Arch Model in Modelling Female Mortality in Nigeria. UMYU Scientifica. 1, 2 (Dec. 2022), 98–102. DOI:https://doi.org/10.56919/usci.1222.012.