ARROYO QUIÑONEZ VM, CANCHINGRE BONE ME, TENORIO SEGURA SE, ESPINOZA ECHEVERRÍA EE. Challenges of the black communities; the conservation of the Santiago Cayapas river commune. revtechno [Internet]. 2023 Sep. 2 [cited 2024 Nov. 11];15(1):227-36. Available from: https://ojs.bdtopten.com/33015.eaapublishing/index.php/technorev/article/view/707