Jitmanowan, P., C. Sopajaree, S. Utsaha, and T. Na phikun. “Effectiveness of using the Centering Teen Pregnancy Program on Postpartum Depression among Adolescent Mothers: A Posttest Only Quasi-experimental Design using a Comparison Group”. Journal of Health Science and Medical Research, vol. 37, no. 1, Dec. 2018, pp. 17-24, doi:10.31584/jhsmr.201934.