«Maternal, newborn and child health (MNCH) services utilization: A comparative case study of tertiary and primary health care facilities in Cross River State»., AJBR, vol. 24, n.º 1, pp. 81–92, ene. 2021, Accedido: 1 de mayo de 2026. [En línea]. Disponible en: https://ojshostng.com/index.php/ajbr/article/view/1154