1. ADB (2009) Designing and Implementing Trade Facilitation in Asia and the Pacific. Manila, Philippines: Asian Development Bank.
2. Appels, T. and de Swielande, H.S. (1998) Rolling back the frontiers: The customs clearance revolution. International Journal of Logistics Management 9 (1): 111–118.
3. Ari-Pekka, H. and Juha, H. (2009) Assessing the drivers of change for cross-border supply chains. International Journal of Physical Distribution & Logistics Management 39 (9): 741–761.
4. ASEAN (2005) Agreement to establish and implement the ASEAN single window, Kuala Lumpur, 9 December,
http://www.asean.org/communities/asean-economic-community/item/agreement-to-establish-and-implement-the-asean-single-window-kuala-lumpur-9-december-2005-2
, accessed 29 June 2012.
5. ASYCUDA (2013) About ASYCUDA.
http://www.asycuda.org/aboutas.asp
, accessed 29 June 2013.