Mustikowati, R.I. , Sarwoko, E. , Arief, M. and 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 (Dec. 2021), 430–438. DOI:https://doi.org/10.18488/journal.73.2021.94.430.438.