Firmansyah F. PENGARUH ENVIRONMENTAL CONCERN DAN PERCEIVED VALUE TERHADAP PURCHASE INTENTION PRODUK UPCYCLED GEOMETRIC CREATION. PERFORMA [Internet]. 2021 Feb. 25 [cited 2026 Feb. 19];4(6):852-61. Available from: https://ojs.somebut.my.id/index.php/performa/article/view/1709