1.
Kurniawan G, Atinaja M. The Effect of Innovative Product, Brand Image, and Opinion Leader on Customer Retention in the Covid-19 Pandemic Era. JPBM [Internet]. 2024 Nov. 6 [cited 2026 Jun. 4];10(3):329-44. Available from: https://journal-fe.um.ac.id/index.php/jpbm/article/view/660