Author Details

Siregar, Chandra A, Universitas Muhammadiyah Sumatera Utara

  • Vol 6, No 2 (2024): (Mei) - Articles
    Utilization and Experimental Use of Stainless Steel Metal Scrap Machinery Waste, St-40 Iron, Copper and Aluminum to Reduce Co, Hc, Co2 Elements in Vehicle Exhaust
    Abstract  PDF