Principal Component Analysis and Exploratory Factor Analysis of the Mechanical Waves Conceptual Survey. JP3I (Jurnal Pengukuran Psikologi dan Pendidikan Indonesia), [S. l.], v. 11, n. 2, p. 209–225, 2022. DOI: 10.15408/jp3i.v11i2.27488. Disponível em: https://journal.uinjkt.ac.id/jp3i/article/view/27488. Acesso em: 15 oct. 2025.