GREGORY GUILLERMO, C. A.; DAVID ISAAC, C. G.; JENNY PRISCILA, G. C.; CHICAIZA ORTIZ, ÁNGEL F. Recovery of gold-bearing minerals through flotation, from the La Pangui sector, Chinapintza mining district - Ecuador. ConcienciaDigital, v. 3, n. 2.1, p. 80-93, 10 May 2020.