Ach. Syuhbanul Yaumi, Zainul Zulfiqkar and Aryo Nugroho (2021) “Sistem Penunjang Keputusan Pemasaran Produk X Menggunakan Metode K-Means”, Systemic: Information System and Informatics Journal, 6(1), pp. 44–50. doi: 10.29080/systemic.v6i1.936.