POWELL, Steve. Theories of Change: Making Value Explicit. Journal of MultiDisciplinary Evaluation, Kalamazoo, MI, v. 15, n. 32, p. 37–52, 2019. DOI: 10.56645/jmde.v15i32.563. Disponível em: https://journals.sfu.ca/jmde/index.php/jmde_1/article/view/563. Acesso em: 23 apr. 2024.