Bambang Hengky Rainanto, Abdul Talib Bon, Jan Horas V. Purba. “Environmental Variables for Sustainable Industry Performance With the Green Marketing Mix: Preliminary Study”. International Journal of Advanced Science and Technology 29, no. 7s (May 1, 2020): 3744-3759. Accessed July 18, 2024. http://sersc.org/journals/index.php/IJAST/article/view/17699.