Budihastuti, U. R., A. Laqif, E. Melinawati, T. Prakosa, H. Udiyanto, H. Priyanto, D. Darto, A. A. Ratnasari, A. Anggraeni, and D. P. Prisasanti. “Improved Understanding of IUD and Implant Family Planning Acceptors in Family Planning Services at Solo Peduli Clinic”. Journal of Maternal and Child Health, vol. 5, no. 4, July 2020, pp. 436-45, http://thejmch.com/index.php/thejmch/article/view/442.