SIDIQ, H.; PUSVITO, I. Penentuan Pit Limit Penambangan Batubara Dengan Metode Lerchs-Grossmann Menggunakan 3DMine Software. KURVATEK, [S. l.], v. 1, n. 2, p. 67–72, 2017. DOI: 10.33579/krvtk.v1i2.245. Disponível em: https://journal.itny.ac.id/index.php/krvtk/article/view/245. Acesso em: 3 apr. 2025.