F. A. Kurnianto, D. Rakhmasari, F. A. Ikhsan, B. Apriyanto, and E. A. Nurdin, “THE ENVIRONMENT ANALYSIS OF POPULATION GROWTH, UNEMPLOYMENT, AND POVERTY LEVEL IN MAESAN DISTRICT BONDOWOSO REGENCY”, Geos. Ind., vol. 3, no. 2, pp. 113–121, Aug. 2018.