Negara, Awang Subang. “ALTERATION AND MINERALIZATION STUDIES IN THE JEBLOGAN AREA, KARANGTENGAH, WONOGIRI, CENTRAL JAVA”. KURVATEK 9, no. 1 (April 17, 2024): 73–82. Accessed July 21, 2025. https://sandbox.itny.ac.id/index.php/krvtk/article/view/4687.