WANOTAYAPITAK, Sukosol; SARAUBON, Kobkiat; NILSOOK, Prachyanun. Process Design of Cooperative Education Management System by Cloud-based Blockchain E-portfolio. International Journal of Online and Biomedical Engineering (iJOE), [S. l.], v. 15, n. 08, p. pp. 4–17, 2019. DOI: 10.3991/ijoe.v15i08.10374. Disponível em: https://online-journals.org/index.php/i-joe/article/view/10374. Acesso em: 2 may. 2024.