ITIL, COBIT and EFQM: Can They Work Together?Sánchez Peña, J. J., Fernández Vicente, E., & Ocaña, A. M. (2013). ITIL, COBIT and EFQM: Can They Work Together? International Journal of Combinatorial Optimization Problems & Informatics, 4(1), 54–64.
This is important because it provides a coherent analysis of how to combine and integrate multiple industry-leading frameworks.