“Pelaksanaan Metode Ular Tangga Pada Kelas Ibu Hamil Terhadap Peningkatan Pengetahuan Ibu Tentang Tanda Bahaya Kehamilan: Implementation of the Snake and Ladder Method in the Class of Pregnant Women on Increasing Mother’s Knowledge about Danger Signs of Pregnancy”. 2022. Jurnal Bidan Cerdas 4 (1): 62-68. https://doi.org/10.33860/jbc.v4i1.763.