Arabica-coffee and teobroma-cocoa agro-industrial waste biosorbents, for Pb(II) removal in aqueous solutions - Lavado-Meza, Carmencita R.; de la Cruz-Cerrón, Leonel; Cisneros-Santos, Gregorio; de la Cruz, Alex Ruben Huaman; Suazo, Julio Miguel Angeles; Dávalos, Juan Z. (Springer Science and Business Media Deutschland GmbH, 2023)