Design and fabrication of a twist fixture to measure torsional stiffness of a pick up chassisOjo Kurdi, Mohd Shukri Yob, Awisqarni Haji Ishamuddin, Agus Suprihanto, Susilo Adi Widyanto, Dwi Basuki Wibowo and Ian YuliantiMATEC Web of Conferences, 159 (2018) 02030DOI: https://doi.org/10.1051/matecconf/201815902030