Muchardie, B.G., Yudiana, N.H. and Gunawan, A. 2016. Effect of Social Media Marketing on Customer Engagement and its Impact on Brand Loyalty in Caring Colours Cosmetics, Martha Tilaar. Binus Business Review. 7, 1 (May 2016), 83-87. DOI:https://doi.org/10.21512/bbr.v7i1.1458.