S, S. S. B. (2019). PENGARUH INPUT PROSES RELATIONSHIP MARKETING TERHADAP OUTPUT PROSES RELATIONSHIP MARKETING STUDI KASUS GRAND INNA MALIOBORO HOTEL & CONVENTION. Kajian Bisnis Sekolah Tinggi Ilmu Ekonomi Widya Wiwaha, 27(2), 190–206. https://doi.org/10.32477/jkb.v27i2.62