MUNANDAR, A.; IRMAYANI, D.; JULEDI, A. P. . Design and build online citizens complaint system in Labuhanbatu using Waterfall Method. Sinkron : jurnal dan penelitian teknik informatika, [S. l.], v. 6, n. 2, p. 663-671, 2022. DOI: 10.33395/sinkron.v7i2.11385. Disponível em: https://jurnal.polgan.ac.id/index.php/sinkron/article/view/11385. Acesso em: 16 jul. 2024.