KALAMBO, Y. .; AINANI, B. .; FAUZIANA, E. Strategy of Celebrity Endorser Usage to Increase Sales Performance at Online Shop Hello Friday. SMART : Management Journal, [S. l.], v. 2, n. 1, p. 55–70, 2021. DOI: 10.53990/smart.v2i1.258. Disponível em: https://ojs.ibm.ac.id/index.php/smart/article/view/258. Acesso em: 27 jul. 2025.