How to Calculate Statistics for Significant Difference Test Using SPSS: Understanding Students Comprehension on the Concept of Steam Engines as Power Plant. Indonesian J. Sci. Technol [Internet]. 2024 Jul. 19 [cited 2025 Jul. 15];9(1):45-108. Available from: https://ejournal.kjpupi.id/index.php/ijost/article/view/348