HAKIKI, Ridho; FIRDAUSI, Indrianti Azhar; MULYASIH, Rahmi. Strategi Pertamina Geothermal Energy dalam Meningkatkan Citra Perusahaan melalui Pengembangan Kualitas Kopi Geothermal Kamojang. Jurnal Pewarta Indonesia, Indonesia, v. 5, n. 1, p. 19–25, 2023. DOI: 10.25008/jpi.v5i1.123. Disponível em: https://pewarta.org/index.php/JPI/article/view/123. Acesso em: 24 aug. 2026.