Items where Author is "IVAN, IVAN"
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Thesis
IVAN, IVAN (2022) GEOLOGI DAN ANOMALI KANDUNGAN UNSUR TIMAH DI DAERAH RANGGAS, AIR BARA, BANGKA SELATAN, PROVINSI KEPULAUAN BANGKA BELITUNG. Diploma thesis, Universitas Pembangunan Nasional "Veteran" Yogyakarta.