Nanda, Elza, and Susanti Murwitaningsih. “Pengaruh Model Problem Based Learning Berbantuan Crossword Puzzle Terhadap Hasil Belajar IPAS Kelas IV SD”. Ideguru: Jurnal Karya Ilmiah Guru 10, no. 1 (September 10, 2024): 50-56. Accessed September 27, 2024. https://jurnal-dikpora.jogjaprov.go.id/index.php/jurnalideguru/article/view/1356.