N. Olavia, Yusrawati, and Afriwardi, “The Relation Between Mother’s Knowledge Level, Mother’s Attitude and Husband’s Support and The Selection of Long-Term Contraception Method (MKJP) in The Working Area of Ulak Karang Public Health Center of Padang”, midwifery, vol. 9, no. 2, pp. 457–462, Apr. 2021.