D. Chairunisa and R. H. Sudradjat, “Pengaruh Online Sales Promotion dan Celebrity Endorser Nagita Slavina Terhadap Brand Image Toko Mama Gigi”, J. Teknol. Inf. Komun, vol. 8, no. 4, pp. 1096–1102, Oct. 2024, doi: 10.35870/jtik.v8i4.2584.