van den Berg, Ed, a Patricia Kruit. „Investigating With Concept Cartoons: Practical Suggestions for Using Concept Cartoons to Start Student Investigations in Elementary School and Beyond". Scientia in educatione 8 (duben 25, 2017). Viděno květen 1, 2025. https://www.ojs.cuni.cz/scied/article/view/737.