Gunardi G. The Role of Influencer Collaboration as A Marketing Strategy In Promoting New Product Collection: A Case Study of Thenblank X Isyana Sarasvati. JISS [Internet]. 2024May15 [cited 2024Jul.27];5(05):979-93. Available from: https://jiss.publikasiindonesia.id/index.php/jiss/article/view/1101