Erhamwilda, E., Afrianti, N. ., Hakim, A. ., Dillon, D. ., & Julia, J. (2024). The effect of healthy food promotion through lunch boxes on the knowledge, attitudes and habits of elementary school students . Humanities and Social Sciences Letters, 12(3), 575–593. https://doi.org/10.18488/73.v12i3.3811