“KAJIAN EKONOMI PADA PENAMBANGAN BATU GRANIT DI PT ADITYA BUANA INTER DESA JURUNG KECAMATAN MERAWANG KABUPATEN BANGKA”. 2021. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 4 (January). https://doi.org/10.33019/snppm.v4i0.2164.