Błaszczyk, P. and Petiurenko, A. 2025. Commentary to Book III of Euclid’s Elements. Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia. 17, (Dec. 2025), 105–142. DOI:https://doi.org/10.24917/20809751.17.6.