State of agile contracting in the software industry and the public sector, results of a systematic mapping of the literature. Periodicals of Engineering and Natural Sciences, [S. l.], v. 9, n. 4, p. 375–385, 2021. DOI: 10.21533/pen.v9.i4.951. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/951. Acesso em: 18 apr. 2026.