Kurniawati, W. et al. 2024. Differentiated Science Student Worksheets : What is the Level of Collaboration Skills of Students of the Elementary School Teacher Education Study Program?. Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran. 10, 2 (Jun. 2024), 627–639. DOI:https://doi.org/10.33394/jk.v10i2.11279.