RANCANG BANGUN SISTEM INFORMASI PRESENSI GURU BERBASIS WEB MENGGUNAKAN QR CODE DENGAN METODE WATERFALL DI MADRASAH ALIYAH ATTAQWA. Kohesi: Jurnal Sains dan Teknologi, [S. l.], v. 11, n. 2, 2026. DOI: https://doi.org/10.2238/rzdvet22. Disponível em: https://journal.cib.institute/index.php/kohesi/article/view/1805. Acesso em: 20 oct. 2026.