Yudha Pratama, Aldo and , Wijianto, ST, M.Eng.Sc (2021) Analisa Kerusakan Torque Converter Low Power Wheel Loader Catepillar Cat 936 E (Studi Kasus: Pt. Wika Beton Boyolali). Skripsi thesis, Universitas Muhammadiyah Surakarta.