Sidjabat, F.M., Habibah, R. and Pasaribu, M. 2019. Comparative Analysis of Quality and Environmental Management Strategic Implementation in Cement Industry. Media Ilmiah Teknik Lingkungan (MITL). 4, 2 (Aug. 2019), 58–70. DOI:https://doi.org/10.33084/mitl.v4i2.1072.