Handaruwati, I. and Wibowo, O. 2020. PENGARUH RELATIONSHIP MARKETING TERHADAP CUSTOMER RETENTION PADA STUDIO MUSIK 58 SURAKARTA. Business Innovation and Entrepreneurship Journal. 2, 3 (Aug. 2020), 153-159. DOI:https://doi.org/10.35899/biej.v2i3.152.