Yogatama, Marga, and Ramon Trisno. 2018. “Studi Koefisien Drag Aerodinamika Pada Model Ahmed Body Terbalik Berbasis Metode Numerik”. Jurnal Teknik Mesin (Journal Of Mechanical Engineering) 7 (1). Jakarta, Indonesia:10-14. https://doi.org/10.22441/jtm.v7i1.2235.