ISRAQ, M. Izin Tambang PT. Kobexindo Cement di Kawasan Karst: Tantangan Hukum dan Implikasinya bagi Lingkungan. Jurnal Thengkyang, [S. l.], v. 1, n. 1, 2016. Disponível em: https://jurnal.unisti.ac.id/thengkyang/article/view/251. Acesso em: 14 dec. 2025.