Bisong, E., A. . E. Ayuk, I. U. Asibong, U. E. Asibong, I. B. Okokon, and E. Monjok. “ Nigeria: A Mixed-Method Approach”. Nigerian Medical Journal, vol. 66, no. 4, Nov. 2025, pp. 1631-46, doi:10.71480/nmj.v66i4.1029.