VON HEYKING, A. Harold Rugg’s Social Studies in Alberta. Alberta Journal of Educational Research, [S. l.], v. 69, n. 4, p. 529–550, 2023. DOI: 10.55016/ojs/ajer.v69i4.77342. Disponível em: https://journalhosting.ucalgary.ca/index.php/ajer/article/view/77342. Acesso em: 17 jul. 2024.