[1]
Kašuba, R. and Rudalevičienė, R. 2013. Developmentof problem solving abilities of grades 5–8 at Kangaroo summer camp. Lietuvos matematikos rinkinys. 54, B (Dec. 2013), 117–122. DOI:https://doi.org/10.15388/LMR.B.2013.22.