Munandar, Aris, Deci Irmayani, and Angga Putra Juledi. “Design and Build Online Citizens Complaint System in Labuhanbatu Using Waterfall Method”. Sinkron : jurnal dan penelitian teknik informatika 6, no. 2 (May 9, 2022): 663-671. Accessed July 16, 2024. https://jurnal.polgan.ac.id/index.php/sinkron/article/view/11385.