Cempaka Kumala Sari, Safira Fegi Nisrina and Sugeng Santoso (2024) “Perancangan dan Pembuatan Fetal Doppler Simulator: Design and Construction of Fetal Doppler Simulator”, Bunda Edu-Midwifery Journal (BEMJ), 8(1), pp. 57–62. doi: 10.54100/bemj.v8i1.258.