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Diakses pada 10 Desember 2020WebMD. https://www.webmd.com/vitamins-and-supplements/features/healthy-foods#1
Diakses pada 10 Desember 2020Medical News Today. https://www.medicalnewstoday.com/articles/245259
Diakses pada 10 Desember 2020Family Doctor. https://familydoctor.org/changing-your-diet-choosing-nutrient-rich-foods/
Diakses pada 10 Desember 2020Healthline. https://www.healthline.com/nutrition/foods/milk
Diakses pada 10 Desember 2020NHS. https://www.nhs.uk/live-well/eat-well/why-5-a-day/
Diakses pada 10 Desember 2020