Okoli, Uju Victoria, Ngozi Florence Ezenwobi, and Chinwendu Benedette Onugha. “Zivot Andrews Test for Structural Break: A Consideration of Government Expenditure in Nigeria from Pre to Post Sap Era”. Social Science Research 10, no. 2 (June 23, 2024). Accessed November 21, 2024. https://journals.aphriapub.com/index.php/SSR/article/view/2626.