Indrawan, E., Y. A, R. Rifelino, and R. Herianto. “Surface Quality Comparison of Down and Up Cut Technique on CNC Milling Machine Toward ST-37 Steel Material”. MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering, Vol. 2, no. 1, Jan. 2020, pp. 11-20, doi:10.46574/motivection.v2i1.65.