Suyasa, G., Hamdi, M., Teguh, P. and Megandaru 2019. Optimization Model for the Implementation of Rock Mining Policy Post Law Enactment of the Republic of Indonesia Number 23 the Year 2014: Case Study in Subang Regency, West Java Province. International Journal of Science and Society. 1, 3 (Dec. 2019), 131 - 145. DOI:https://doi.org/10.54783/ijsoc.v1i3.35.