Kojongian, M.K. and Suleman, D. 2023. The Influence of Brand Ambassador (Treasure) and E-WOM on Purchase Intention through Brand Image on the Ruangguru Application in High Schools. ProBisnis : Jurnal Manajemen. 14, 6 (Dec. 2023), 560–577. DOI:https://doi.org/10.62398/probis.v14i6.383.