Mardeyanti, Mardeyanti, and Siti Masitoh. “Snow Balling and Brainstorming Method In Pregnant Mother Classes”. jitek 8, no. 2 (March 31, 2021): 205-219. Accessed September 13, 2026. https://www.poltekkesjakarta3.ac.id/ejurnalnew/index.php/jitek/article/view/442.