Guustaaf, Edward, Untung Rahardja, Qurotul Aini, Nesti Anggraini Santoso, and Nuke Puji Lestari Santoso. “Desain Kerangka Blockchain Terhadap Pendidikan: A Survey”. CESS (Journal of Computer Engineering, System and Science) 6, no. 2 (July 31, 2021): 236–245. Accessed May 20, 2025. https://jurnal.unimed.ac.id/2012/index.php/cess/article/view/25099.