Items where Author is "MHD.IRFAN PUTRA HAUMARY, ."
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MHD.IRFAN PUTRA HAUMARY, . (2026) Geologi Dan Kualitas Batubara Seam SM Daerah Banjarsari, Kec. Merapi Timur, Kab. Lahat, Prov. Sumatera Selatan. Skripsi thesis, UPN Veteran Yogyakarta.