Sustainable gold mining: implications of the use of waste as an aggregate for concrete

Efrain Casadiego Quintero, Wilmar Gómez Ríos, Edgar R. Monroy, Jeniffer L. Sánchez Londoño

71-77

Machine learning model as a tool for decision making in the Ariporo river basin.

Mariana Alejandra Rodriguez, María Fernanda López Romero, Luisa María Tejada Henríquez, Gonzalo Alberto Forero Buitrago

15-23