Aisyah, Aisyah, et al. “The Determinant of Success Exclusive Breastfeeding in Urban Areas”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 42, no. 3, Nov. 2018, pp. 231-45, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/9538.