Nurul Saadah Agustina, Wahyu Sopandi dan Atep Sujana (2023) “Needs Analysis of Student Worksheets to Develop Collaborative Skills in Learning Science”, International Conference on Elementary Education. Bandung, Indonesia, 5(1), hlm. 469-477. Tersedia pada: http://proceedings.upi.edu/index.php/icee/article/view/3161 (Diakses: 17Mei2024).