G. Suyasa, M. Hamdi, P. Teguh, and M. Megandaru, “IMPLEMENTATION OF ROCK MINING POLICY AFTER LAW NUMBER 23 OF 2014 (STUDY OF ROCK MINING PERMIT IN SUBANG DISTRICT WEST JAVA PROVINCE)”, JTAKEN, vol. 5, no. 2, pp. 191–212, Dec. 2019.