Items where Author is "Putra Perdana, Yanuar"
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Article
Putra Perdana, Yanuar and Winarno, Eddy (2018) PENAKSIRAN SUMBERDAYA BATU ANDESIT METODE CROSS SECTION DAN METODE CONTOUR DI PT. BUMI KALIMASADA PERTAMBANGAN KABUPATEN KULON PROGO, YOGYAKARTA. JURNAL TEKNOLOGI PERTAMBANGAN, 4 (1). pp. 151-156. ISSN 2442-4234