Pamungkas, Aan Subhan, Try Laksmi Juniarti, and Trian Pamungkas Alamsyah. 2020. “The Development of Student’s Worksheet Oriented Scientific Approaches for Primary School and it’s Application”. International Conference on Elementary Education 2 (1). Bandung, Indonesia, 286-301. https://proceedings.upi.edu/index.php/icee/article/view/630.