KHAIRUL, Khairul. Penerapan Algoritma Filtering Derivatif Untuk Penajaman Kualitas Pada Citra. Jurnal Sistem Komputer dan Informatika (JSON), [S. l.], v. 2, n. 1, p. 69–79, 2020. DOI: 10.30865/json.v2i1.2458. Disponível em: https://ejurnal.stmik-budidarma.ac.id/index.php/JSON/article/view/2458. Acesso em: 28 oct. 2025.