Ramadhan, Sherzad, Hassan Koutaini, Ma’moun W. Aridah, and Fareeba Ahmed. 2019. “RETRACTED Assessing Enterprise Resource Planning (ERP) Systems Customization in SMEs”. European Scientific Journal, ESJ 15 (19), 172. https://doi.org/10.19044/esj.2019.v15n19p172.