%T Effectiveness of Emotional Demonstration in Changing Knowledge, Attitudes and Behavior of Eating Snacks for Obese Elementary School Students in East Jakarta %A Khairul Afidah Putri Saba %A Leni Leni Sri Rahayu %A Luthfiana Nurkusuma Ningtyas Luthfiana Nurkusuma Ningtyas %I UHAMKA %L repository28643