„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, nr. 1, pp. 81–92, ian. 2021, Data accesării: 15 iunie 2026. [Online]. Disponibil la: https://www.ojshostng.com/index.php/ajbr/article/view/1154