Wahyudiati, Dwi. “Investigating Problem Solving Skills and Chemistry Learning Experiences of Higher Education Base on Gender and Grade Level Differences”. Journal of Science and Science Education 2, no. 2 (October 18, 2021): 62–67. Accessed May 6, 2024. https://jppipa.unram.ac.id/index.php/jossed/article/view/632.