RETNAWATI, Heri. Proving content validity of self-regulated learning scale (The comparison of Aiken index and expanded Gregory index). REID (Research and Evaluation in Education), [S. l.], v. 2, n. 2, p. 155–164, 2016. DOI: 10.21831/reid.v2i2.11029. Disponível em: https://journal.uny.ac.id/index.php/reid/article/view/11029. Acesso em: 2 jun. 2025.