Akhmad, Y., Masrukhi, M. and Indiatmoko, B. (2019) “The Effectiveness of the Integrated Project-Based Learning Model STEM to improve the Critical Thinking Skills of Elementary School Students”, Educational Management, 9(1), pp. 9-16. Available at: https://journal.unnes.ac.id/sju/eduman/article/view/35870 (Accessed: 18July2024).