How to Calculate Statistics for Significant Difference Test Using SPSS: Understanding Students Comprehension on the Concept of Steam Engines as Power Plant. Indonesian Journal of Science and Technology, [S. l.], v. 9, n. 1, p. 45–108, 2024. Disponível em: https://ijost.upi.edu/index.php/ijost/article/view/398. Acesso em: 7 jun. 2026.