Brondon N. Vouofo Gapgueu (2022) “Epidemiological Aspects of the Use of Modern Contraceptive Methods in Urban and Rural Settings of Burundi”, International Journal of Formal Sciences: Current and Future Research Trends, 15(1), pp. 57–70. Available at: https://ijfscfrtjournal.isrra.org/Formal_Sciences_Journal/article/view/697 (Accessed: 12 October 2025).