RAAB, Christopher. Recognizing Opportunities for Library Leadership: The R.O.L.L. Matrix. Library Leadership & Management, [S. l.], v. 23, n. 2, p. 80–84, 2010. DOI: 10.5860/llm.v23i2.1777. Disponível em: https://llm.corejournals.org/llm/article/view/1777. Acesso em: 6 apr. 2026.