DWIATMOJO, Yuniarso; HEIKAL , Jerry. Customer Loyalty Migration Analysis Using the Recency, Frequency, Monetary (RFM) Method and Ethnography Approach to Develop Business-to-Business (B2B) Marketing Strategy at PT Aru Raharja. Journal Research of Social Science, Economics, and Management, [S. l.], v. 6, n. 2, p. 1184–1203, 2026. DOI: 10.59141/jrssem.v6i2.1708. Disponível em: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/1708. Acesso em: 25 sep. 2026.