J. Petrová in M. Fasnerová, „Portfolio Within Pedagogic Diagnostics in Primary Schools“, REI, let. 5, št. 2/3, str. 141–151, sep. 2012, Pridobljeno: 12. januar 2026. [Na spletu]. Dostopno na: https://old.journals.um.si/index.php/education/article/view/363