Isbadrianingtyas N, Sa’dijah C, Dasna IW, Eddy Sutadji. Development of challenges-based learning thematic model to improve critical thinking skills for primary school students. RADEN [Internet]. 2024 May 30 [cited 2024 Nov. 22];4(1):533-42. Available from: https://ejournal.umm.ac.id/index.php/raden/article/view/32910