Michal Mičík, Mikuláš Eger. How to Strengthen the Introductory Teaching of Column Equation Solving Application Problems. (CEMJP) [Internet]. 2015 Sep. 1 [cited 2024 Nov. 23];23(3):20-6. Available from: http://journals.kozminski.cem-j.org/index.php/pl_cemj/article/view/356