Rahmania, Nima Eka Nur, et al. “AN EFFORTS TO INCREASE STUDENT’S KNOWLEDGE ABOUT THE IMPORTANCE OF CHOOSING HEALTHY SNACKS AT KRAGAN ELEMENTARY SCHOOL, SIDOARJO”. Community Service Journal of Indonesia, vol. 5, no. 1, June 2023, pp. 38-41, doi:10.36720/csji.v5i1.542.