sidiq, hidayatullah. “PENENTUAN KRITERIA CADANGAN BATUAN ANDESIT DI DAERAH KECAMATAN CIGUDEG KABUPATEN BOGOR JAWA BARAT”. KURVATEK 2, no. 2 (March 15, 2018): 95-100. Accessed December 22, 2024. //journal.itny.ac.id/index.php/krvtk/article/view/549.