Information System Prediction With Weighted Moving Average (WMA) Method And Optimization Distribution Using Vehicles Routing Problem (VRP) Model for Batik ProductTri Agustina Nugrahani, Kusworo Adi and Jatmiko Endro SusenoE3S Web Conf., 73 (2018) 13004DOI: https://doi.org/10.1051/e3sconf/20187313004