Yamauchi, H.D. et al. 2021. Wastewater Treatment Plant’ (WWTP) Bologna: conceptions of Environmental Education in two elementary schools in Belém (PA, Brazil). Brazilian Journal of Environmental Education. 16, 2 (Mar. 2021), 51–68. DOI:https://doi.org/10.34024/revbea.2021.v16.10863.