《Maternal, newborn and child health (MNCH) services utilization: A comparative case study of tertiary and primary health care facilities in Cross River State》., AJBR, 卷 24, 期 1, 页 81–92, 1月 2021, 见于: 2026年4月25日. [在线]. 载于: https://ojshostng.com/index.php/ajbr/article/view/1154