Andriningrum, H., Cholifah, P.S., Gunawan, I., Harisman, A.S.M., Putri, A.F., Amelia, T., Zahro, Z.R., & Wulandari, D.A. (2020). Development of smylings (system for monitoring healthy living skills) for health education in primary school. 2020 6th International Conference on Education and Technology (ICET), pp. 21-25. IEEE.