Aji, Arif Sabta, et al. “Prevalence of Anemia and Factors Associated With Pregnant Women in West Sumatra, Indonesia: Findings from VDPM Cohort Study”. Jurnal Gizi Dan Dietetik Indonesia (Indonesian Journal of Nutrition and Dietetics), vol. 7, no. 3, June 2020, pp. 97-106, doi:10.21927/ijnd.2019.7(3).97-106.