PRENGKI, Ilep; DWINAGARA, Barlian; KOESNARYO, S; SAPTONO, Singgih; WINARNO, Eddy. Analysis of Stress and Pillar Strength in Underground Coal Mines. Science and Environmental Journal for Postgraduate, [S. l.], v. 5, n. 2, p. 83–91, 2023. DOI: 10.24036/senjop.v5i2.188. Disponível em: http://senjop.ppj.unp.ac.id/index.php/senjop/article/view/188. Acesso em: 25 jul. 2026.