Forecasting Crude Oil Prices using Discrete Wavelet Transform with Autoregressive Integrated Moving Average and Least Square Support Vector Machine Combination Approach - Md-Khair, Nurull Qurraisha Nadiyya; Department of Software Engineering, Faculty of Computing Universiti Teknologi Malaysia 81310 Johor Bahru, Johor, Malaysia (International Journal on Advanced Science, Engineering and Information Technology, 2017)