BHATTI, Gurkirpal Singh. Preparing a Research Proposal in Education Using Meta-Analysis. Journal of Research & Innovations in Education, [S. l.], v. 2, n. 1, p. 72–82, 2016. Disponível em: https://publications.cukashmir.ac.in/index.php/jrie/article/view/144. Acesso em: 20 may. 2025.