Bjerke, M. B.; Renger, R. (2017). «Being smart about writing SMART objectives». Evaluation and Program Planning (vol. 61, pàg. 125-127). <https://doi.org/10.1016/j.evalprogplan.2016.12.009>
Doran, G. (1981). «There is a S.M.A.R.T way to write managements goals and objectives». Management review (vol. 70, núm. 11, pàg. 35-36). <https://community.mis.temple.edu/mis0855002fall2015/files/2015/10/S.M.A.R.T-Way-Management-Review.pdf>