RANCANG BANGUN SISTEM INFORMASI PEMBUATAN SURAT KETERANGAN KERJA (PAKLARING) BERBASIS WEB PADA PT MAHAKARYA PUTRA MANDIRI. Journal of Innovation And Future Technology (IFTECH), [S. l.], v. 3, n. 2, p. 89–101, 2021. DOI: 10.47080/iftech.v3i2.1537. Disponível em: https://ejournal.lppm-unbaja.ac.id/index.php/iftech/article/view/1537. Acesso em: 23 aug. 2025.