OPTIMALISASI KEUNTUNGAN KEDAI KOPI DENGAN PENDEKATAN METODE GRAFIK BERBASIS APLIKASI AUTOGRAPH. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 3, p. 3362–3367, 2026. DOI: 10.54314/jssr.v9i3.6300. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6300.. Acesso em: 28 aug. 2026.