An educational kit to teach and learn Operational Amplifiers. - Ricardo J. Costa; Paulo Portela; Gustavo R. Alves (exp.at, 2017)

An Alternative Way of Teaching Operational Amplifiers Using a Reconfigurable and Expandable Kit. - Ricardo J. Costa; Paulo Portela; Gustavo R. Alves; Manuel Carlos Felgueiras; Clara Viegas (Rev. Iberoam. de Tecnol. del Aprendiz., 2021)