Suryaningsi, S., M. Bahzar, and J. Pardosi. “IMPACT OF COAL PROPER ASSESSMENT AND FOLLOW-UP SUPPORTING SUSTAINABLE DEVELOPMENT AT PT. CAHAYA ENERGY MANDIRI”. Educational Studies: Conference Series, Vol. 1, no. 1, Nov. 2021, pp. 233-45, doi:10.30872/escs.v1i1.879.