S. Hutabarat, N. L. . Marpaung, E. Ervianto, N. Nurhalim, and R. . Amri, “Training of Posyandu’s Crades About Nutrient Requirement for Pregnant Woman and Toddler in Tirta Siak Village in Pekanbaru ”, CERS, vol. 2, no. 4, pp. 192–200, Jul. 2022.