Practical Findings from Applying Quality Assurance Activities in the Development of Three Information Systems for Power Companies. - Geraldo Braz Júnior; Luis Rivero 001; João Almeida 003; Simara V. Rocha; Aristófanes C. Silva; Anselmo Cardoso de Paiva; Carlos E. P. Castro; Darlan Bruno Pontes Quintanilha; Italo Francyles Santos da Silva; Erika W. B. A. L. Alves; Samira Barbosa (ICEIS (2), 2022)