Kurnia Putra Susanto Nuham, Y.; Tugur Redationo , N.; Crisanto Putra Mbulu, B. EFFECT OF HHVT VALUE OF RAW MATERIALS OF PINE WOOD CHARCOAL AND COFFEE WOOD CHARCOAL (70%:30%, 30%:70% & 50%:50%) WITH MESH SIZES 100 AND 250 ON THE HEALTH VALUE: PENGARUH NILAI HHVT BAHAN BAKU BRIKET ARANG KAYU PINUS DAN ARANG KAYU KOPI (70%:30%, 30%:70% Dan 50%:50%) DENGAN UKURAN MESH 100 DAN 250 TERHADAP NILAI KALOR. METAL 2026, 4, 34-41.