Healthline. https://www.healthline.com/nutrition/foods/sweet-potatoes
Diakses pada 23 Desember 2020Healthline. https://www.healthline.com/nutrition/sweet-potato-benefits
Diakses pada 23 Desember 2020Healthline. https://www.healthline.com/nutrition/vitamin-c-benefits
Diakses pada 23 Desember 2020