Mayangsari, A.R. et al. 2018. The Relationship of Physhical Activity, Sleep Duration, Breakfast and Fast Food Consumption Habits with The Prevalence of Overweight Among Elementary School Children. Nutri-Sains: Jurnal Gizi, Pangan dan Aplikasinya. 2, 2 (Nov. 2018), 11–18. DOI:https://doi.org/10.21580/ns.2018.2.2.2588.