Purnama, Tri Bayu, Apriliani, Rani Elviyanti Siregar, Bebby Alfiera Riyandina Hardja, y Arrafi Insani. 2021. «Factores De Riesgo De Obesidad Entre Las Y Los Adolescentes Durante La Pandemia De COVID-19 En La Provincia De Sumatra Del Norte, Indonesia The Risk Factors of Obesity Among Adolescents During the Covid-19 Pandemic in the Province of North Sumatera». Medicina Social Social Medicine 15 (3):105-10. https://medicinasocial.info/index.php/medicinasocial/article/view/1473.