Title:Propuesta para mejorar el tiempo de permanencia de maquinaria pesada en talleres de mantenimiento / A proposed to improvement the residence time of heavy machinery in maintenance workshops
Title:Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations
Title:Competitiveness indicator in colombiam through of multivariable statistics / Indicador de competitividad en Colombia a través de estadísticas multivariables