Kelvin, Kelvin. “Analisis Dampak Lingkungan Dari Perusahaan Jasa Konstruksi Di Surabaya Dengan Software SimaPro”. Journal of Information System,Graphics, Hospitality and Technology 3, no. 02 (November 23, 2021): 70–74. Accessed November 22, 2024. https://jurnal.stts.edu/index.php/insight/article/view/173.