HERRELKO, J. M. . How Employing DuFour’s Professional Learning Community Guidelines Impacted a Mathematics Professional Learning Community. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 15, n. 11, p. 111–127, 2016. Disponível em: http://www.ijlter.myres.net/index.php/ijlter/article/view/878. Acesso em: 20 aug. 2026.