Riemeier, T., & Gropengießer, H. (2008). On the Roots of Difficulties in Learning about Cell Division: Process-based analysis of students' conceptual development in teaching experiments. International journal of science education, 30(7), 923-939. https://doi.org/10.1080/09500690701294716
Chicago Style (17th ed.) CitationRiemeier, Tanja, and Harald Gropengießer. "On the Roots of Difficulties in Learning About Cell Division: Process-based Analysis of Students' Conceptual Development in Teaching Experiments." International Journal of Science Education 30, no. 7 (2008): 923-939. https://doi.org/10.1080/09500690701294716.
MLA (9th ed.) CitationRiemeier, Tanja, and Harald Gropengießer. "On the Roots of Difficulties in Learning About Cell Division: Process-based Analysis of Students' Conceptual Development in Teaching Experiments." International Journal of Science Education, vol. 30, no. 7, 2008, pp. 923-939, https://doi.org/10.1080/09500690701294716.