D. E. Buregeya, E. Nizigiyimana, and J. de D. Ndikumana, “Community-Based Health Insurance, Healthcare Utilization, and Financial Protection in Burundi: The Effects of Co-payments and Household Ability to Pay on Progress Toward Universal Health Coverage”, AJOCS, vol. 7, no. 4, pp. 205–214, Aug. 2026, doi: 10.59413/ajocs/v7.i4.24.