Yoshana, Andri, Muhammad Fidiandri Putra, and Ninta Sri Ulina. “GAP ANALYSIS IMPLEMENTASI ISO 14000:2015 PADA PT. SAS INTERNATIONAL”. Jurnal Teknologi dan Manajemen 19, no. 2 (August 28, 2021): 125-132. Accessed May 3, 2024. https://jurnal.stmi.ac.id/index.php/jtm/article/view/32.