Strategi Brand Extension dan Dampaknya terhadap Parent Brand Equity: Studi pada Varian Rasa Inovatif Ultra Milk. Prof. Bus. J. [Internet]. 2026 Jun. 29 [cited 2026 Jul. 22];3(2):87-98. Available from: https://jurnal.usp.ac.id/index.php/professional-bussiness-journal/article/view/245