DELPORT, D. H. Students’ perceptions towards instructor-developed screencasts as a stand-alone method of instruction on WhatsApp in an introductory statistics course during COVID-19. South African Journal of Higher Education, [S. l.], v. 36, n. 5, p. 17–36, 2022. DOI: 10.20853/36-5-4534. Disponível em: https://www.journals.ac.za/sajhe/article/view/4534. Acesso em: 22 oct. 2025.