BERGMAN, Gerd, 2012, Tools for enhancing inquiry in science education [na spletu]. 2012. Montrouge : Foundation La main à la pate. [Dostopano 29 april 2025]. Pridobljeno s: http://fibonacci.uni-bayreuth.de/fileadmin/Dokumente/startingpackage/companion/tools_for_enhancing_inquiry_in_science_education.pdf