Hohl, P., J. Klünder, A. van Bennekum, R. Lockard, J. Gifford, J. Münch, M. Stupperich, and K. Schneider. “Back to the Future: Origins and Directions of the ‘Agile Manifesto’ – Views of the Originators”. Journal of Software Engineering Research and Development, vol. 6, Nov. 2018, pp. 15:1 - 15:27, https://sol.sbc.org.br/journals/index.php/jserd/article/view/441.