Erika, E., N. Boonyoung, and S. Chunuan. “The Maternal Role Performance Among Indonesian Pregnant Adolescents”. Journal of Research in Nursing-Midwifery and Health Sciences, vol. 37, no. Supplement, Dec. 2017, pp. 80-88, https://he02.tci-thaijo.org/index.php/nur-psu/article/view/106595.