SUNARDI, G.; HEIKAL, J. . B2B Segmentation of Coal Buyers Using RFM Analysis and Ethnography at PT XYZ . JIBEMA: Jurnal Ilmu Bisnis, Ekonomi, Manajemen, dan Akuntansi, [S. l.], v. 4, n. 1, p. 3177–3195, 2026. DOI: 10.62421/jibema.v4i1.764. Disponível em: https://jibema.murisedu.id/index.php/JIBEMA/article/view/764. Acesso em: 16 oct. 2026.