Monicca, M., and W. Widayatmoko. “Pengaruh Komunikasi Pada Social Media Marketing Instagram Terhadap Brand Image Wardah (Studi Kasus: Followers @Wardahbeauty)”. Prologia, vol. 2, no. 1, Oct. 2018, pp. 130-7, doi:10.24912/pr.v2i1.2408.