DETERMINATION OF MINING ZONING ANDESITE, SIRTU AND TRAS MATERIALS IN PURBALINGGA DISTRICT CENTRAL JAVA. Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics, [S. l.], v. 3, n. 2, p. 68–77, 2020. DOI: 10.15408/fiziya.v3i2.17934. Disponível em: https://journal.uinjkt.ac.id/al-fiziya/article/view/17934. Acesso em: 19 feb. 2026.