Parung, Christabel Annora Paramita, and Viviany Viviany. “Upcycled Products in Indonesia: Factors Influencing Willingness to Pay”. Keluwih: Jurnal Sains dan Teknologi 3, no. 2 (September 2, 2022): 57-69. Accessed July 3, 2024. https://journal.ubaya.ac.id/index.php/saintek/article/view/5100.