Consumer Customs Analysis Using the Association Rule and Apriori Algorithm for Determining Sales Strategies in Retail CentralAhmad Heru Mujianto, Chamdan Mashuri, Anita Andriani and Febriana Dwi JayantiE3S Web Conf., 125 (2019) 23003DOI: https://doi.org/10.1051/e3sconf/201912523003