AGUSTINA, A. et al. 2022. Clean and Healthy Life Behavior (PHBS) of Elementary School Students Against Environmental-Based Disease Incidence in Kupang City in 2021. International Journal of Environmental, Sustainability, and Social Science. 3, 2 (Jul. 2022), 404–408. DOI:https://doi.org/10.38142/ijesss.v3i2.230.