RAHARDJA, U. Penerapan Teknologi Blockchain Dalam Pendidikan Kooperatif Berbasis E-Portfolio. Technomedia Journal, [S. l.], v. 7, n. 3 Februari, p. 354–363, 2022. DOI: 10.33050/tmj.v7i3.1957. Disponível em: https://ijc.ilearning.co/index.php/TMJ/article/view/1957. Acesso em: 16 may. 2025.