Mukodri, D. M. L., R. R. Harianja, and N. S. A. Siregar. “Frequency, Amount, and Supplementation of Vitamin A Food Sources to Enhance Vitamin A Sufficiency Status Among Toddlers Aged 12-59 Months”. Healthcare in Low-Resource Settings, Apr. 2024, doi:10.4081/hls.2024.11731.