Hertina DR, Widiyanto MTAC. Uji Validitas International Standard Of Serial Number (Issn) Online Or E-Issn Menggunakan Aritmatika Modulo. kilat [Internet]. 2019 May 17 [cited 2025 Apr. 27];8(1):37-4. Available from: http://jurnal.itpln.ac.id/kilat/article/view/462