1. Bastian Solution, Bastican Solution Warehouse Control System, Accessed March 13, Available:http://www.bastiansolutions.com/software/warehouse-control-system/warehouse-control-system-webinar
2. Daifuku, Daifuku Warehouse RX, Accessed March 13, Available:http://www.daifukuwebb.com/Products/Software-and-Controls/Warehouse-Control-System-Warehouse-Rx
3. Dematic, Dematic Warehouse Control System, Accessed March 13, Available:http://www.dematic.com/wcs-warehouse-control-systems
4. Beumer Group, Beumer Group WMS and MFC, Accessed March 13, Available:http://www.beumergroup.com/en/your-industry/warehouse-distribution-logistics/wms-mfc/
5. Egemin Automation Inc, Egemin Automation Inc EʼnWCS, Accessed March 13, Available :http://www.egeminusa.com/pages/software/agvs_ewcs.html