Ardhiyanti, Yulrina, and Susi Susanti. “Factors of The Mother Related to Obstructed Labour Case at RSUD Arifin Achmad Pekanbaru”. Jurnal Kesehatan Komunitas (Journal of Community Health), vol. 3, no. 2, May 2016, pp. 83-87, doi:10.25311/keskom.Vol3.Iss2.108.