Estimasi Sumberdaya Andesit dan Breksi Piroklastik Sebagai Bahan Konstruksi PT. Tepat Guna Referindo Lombok Timur: Estimation of Andesite and Pyroclastic Breccia Resources as Construction Materials for PT. Tepat Guna Referindo East Lombok. mineral [Internet]. 2024 Aug. 24 [cited 2025 Nov. 8];9(1):39-44. Available from: https://journal.ubb.ac.id/index.php/mineral/article/view/5425