Firmansyah, F., Tamtomo, D., & Cilmiaty, R. "Comparing the Effect of Nutritional Booklets and Social Media on Knowledge and Consumption of Fattening Foods among Adolescents in Surakarta, Indonesia", International Journal of Nutrition Sciences, 5, 2, 2020, 84–89. doi: 10.30476/ijns.2020.85501.1059