Rahman, A., Juniah, R., & Yusuf, M. (2018). THE STUDY OF THE TECHNICAL PLAN OF POST MINES LAND LIMESTONE QUARRY IN PT SEMEN BATURAJA (PERSERO) TBK. Indonesian Journal of Environmental Management and Sustainability, 2(4), 132-138. https://doi.org/10.26554/ijems.2018.2.4.132-138