“Maternal, newborn and child health (MNCH) services utilization: A comparative case study of tertiary and primary health care facilities in Cross River State”., AJBR, c. 24, sy 1, ss. 81–92, Oca. 2021, Erişim: 13 Haziran 2026. [çevrimiçi]. Erişim adresi: https://www.ojshostng.com/index.php/ajbr/article/view/1154