ACHMAD PRIJONO; ADNAN KUSUMA; DIPOYUDO, K. Keadaan dan Prospek Pengembangan Batu Bara di Indonesia. Analisis CSIS, [S. l.], n. 11, p. 980–998, 2023. Disponível em: https://journals.csis.or.id/index.php/analisis/article/view/665. Acesso em: 22 nov. 2024.