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):44-50. https://doi.org/10.29080/systemic.v6i1.936.