Mustikowati, R. I. ., Sarwoko, E. ., Arief, M. ., & Nurfarida, I. N. . (2021). Marketing Investigation: Customer Relationship Management and Innovation to Improve Competitive Advantage and Business Performance . Humanities and Social Sciences Letters, 9(4), 430–438. https://doi.org/10.18488/journal.73.2021.94.430.438