Susilo, Bening Prameswari. “Difficulty Factors for Fourth Grade Students in Thematic Learning”. Jurnal Ilmiah Sekolah Dasar 6, no. 1 (March 5, 2022): 186–196. Accessed December 20, 2024. https://ejournal.undiksha.ac.id./index.php/JISD/article/view/44608.