Aniefiok Ezekiel U. SUB-SAHARAN AFRICAN BRIEF HISTORY OF MATHEMATICS DEVELOPMENT AND SUB-SAHARAN ENERGY DIVERSIFICATION AND SUSTAINABILITY USING MATHEMATICAL TOOLS FOR ANALYSIS. bj [Internet]. 2023 Apr. 23 [cited 2026 Apr. 18];:8. Available from: https://bwjournal.org/index.php/bsjournal/article/view/1264