Abidin, Zainal. “Mining Businesses of C Exvacation On The Real Regional Income In Improving Economic Security”. Jurnal Pertahanan: Media Informasi Tentang Kajian Dan Strategi Pertahanan Yang Mengedepankan Identity, Nasionalism Dan Integrity, vol. 4, no. 1, Apr. 2018, pp. 43-60, doi:10.33172/jp.v4i1.251.