SYNTHESIS AND STRUCTURAL CHARACTERIZATION nanocopper ( o) VIA MICROWAVE - ULTRASOUND , STABILIZED WITH TYPE OLIGOMERS TEREPHTHALATE BIS -2 - hydroxyethyl ( BHET ). (2013). Revista Peruana De Química E Ingeniería Química, 16(1), 39-45. https://revistasinvestigacion.unmsm.edu.pe/index.php/quim/article/view/6543