Magalhães Lopes, Valério, Jerônimo Vieira Dantas Filho, and Fernanda Bay Hurtado. 2022. “Diagnosis of the Quality and Trophic State of Surface Water in a Stretch of the Machado River - Rondônia, Western Amazon”. Gaia Scientia 16 (3):61-83. https://doi.org/10.22478/ufpb.1981-1268.2022v16n3.64047.