Teaching strategies for direct and indirect instruction in teaching engineering [Electronic resource]Rüütmann, Tiia; Kipper, Hants14 th International Conference on Interactive Collaborative Learning (ICL'2011), 21-23 September 2011, Pieštany, Slovakia2011 / p. 107-114 [CD-ROM] https://online-journals.org/index.php/i-jep/article/view/1805