Pambudi, I., S. Srivanichakorn, and J. Sillabutra. “Utilization of Health Facilities Providing Childbirth Care in Rural Indonesia: The Importance of Birth Preparedness Plans During Pregnancy”. Journal of Health Research, vol. 26, no. 3, Apr. 2017, pp. 119-24, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/85068.