kennedy, janero. “SISTEM INFORMASI PERPUSTAKAAN SDN KARANGANYAR 04 GANDRUNGMANGU CILACAP”. Jurnal Teknologi dan Bisnis 2, no. 2 (December 20, 2020): 240–257. Accessed April 30, 2025. https://e-jurnal.stmikkomputama.ac.id/index.php/jtb/article/view/123.