Pramadhana D, Febrianti KA, Farismana R, Ghozali AL. Design of Online Certificate Legalisation Information System at Indramayu State Polytechnic. antivirus [Internet]. 2023Dec.2 [cited 2024May13];17(2):261-70. Available from: https://ejournal.unisbablitar.ac.id/index.php/antivirus/article/view/3253