Nanda, E. and Murwitaningsih, S. 2024. Pengaruh Model Problem Based Learning Berbantuan Crossword Puzzle terhadap Hasil Belajar IPAS Kelas IV SD. Ideguru: Jurnal Karya Ilmiah Guru. 10, 1 (Sep. 2024), 50-56. DOI:https://doi.org/10.51169/ideguru.v10i1.1356.