Wibowo, Setyo Ferry, Mukhamad Najib, Ujang Sumarwan, and Yudha Heryawan Asnawi. “Green Purchase: A Systematic Review and Future Research Agenda”. Indonesian Journal of Business and Entrepreneurship (IJBE) 8, no. 1 (January 31, 2022): 146. Accessed August 8, 2022. https://journal.ipb.ac.id/index.php/ijbe/article/view/39750.