2. USDA FoodData Central. (2021). Potatoes, boiled, cooked in skin, flesh, without salt. https://fdc.nal.usda.gov/fdc-app.html/food-details/170000/nutrients
3. USDA FoodData Central. (2021). Millet, raw. https://fdc.nal.usda.gov/fdc-app.html/food-details/170308/nutrients
4. USDA FoodData Central. (2021). Sweet potato, raw, unprepared. https://fdc.nal.usda.gov/fdc-app.html/food-details/170384/nutrients
5. USDA FoodData Central. (2021). Rice, white, long-grain, regular, raw, enriched. https://fdc.nal.usda.gov/fdc-app.html/food-details/170000/nutrients