Widodo, J. N., I. R. Hidayati, M. Titani, S. L. Yunita, and R. N. Atmadani. “The Relationship in Mothers Between Knowledge Level and Compliance in the Use of Birth Control Pills”. KnE Medicine, Vol. 2, no. 3, Sept. 2022, pp. 660–670, doi:10.18502/kme.v2i3.11920.