Dejucos, Merlyn, et al. “Freight Management System - Core 1: Booking, Purchase Order Management, House and Master Airway Bill of Lading, Consolidation and Deconsolidation and Shipment Files ”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 1, no. 1, Apr. 2019, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2178.