“PENGARUH LOSSES OF MATERIAL PRODUKSI BATU GRANIT HASIL PELEDAKAN DI PT. ADITYA BUANA INTER KECAMATAN MERAWANG, KABUPATEN BANGKA”. 2021. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 5 (December): 171-73. https://doi.org/10.33019/snppm.v5i0.2742.