Mayokun, I. E., A. A. Yakubu, L. A. Nathaniel, and D. A. Kwesaba. “Maternal Mortality Dimensions in North-Western Nigeria: A Case Study of Kaduna Metropolis”. The International Journal of Science & Technoledge, vol. 2, no. 7, July 2014, http://internationaljournalcorner.com/index.php/theijst/article/view/140059.