Mattew, Andrew Siba, and Ubong Imang. 2017. “Impak Perlombongan Arang Batu Terhadap Komuniti Tempatandi Daerah Mukah, Sarawak: The Impact of Coal Mining on Local Communities in Mukah District, Sarawak”. GEOGRAFI 5 (2):108-15. https://ejournal.upsi.edu.my/index.php/GEOG/article/view/2052.