N. H. Abd Samad, N. S. Kamarzaman, E. S. Tahir, R. Adnan, N. Roslan, and M. A. Mohd Azmer, “Blockchain Technology for Secure and Efficient Mobile Certificate Verification”, Int. J. of Comput. Thinking. Data Sci., vol. 5, no. 1, pp. 1–8, Mar. 2025.