Kumalasari, Vina, and Denny Iskandar Tjandrawan. “Analisis Penerapan Costumer Relationship Management Studi Kasus Pada GKMI Anugerah Rayon Kembangan”. Ilmiah Manajemen Bisnis 13, no. 1 (July 24, 2014). Accessed October 5, 2024. https://ejournal.ukrida.ac.id/index.php/IMB/article/view/853.