REFERENCES

1. Berhad, A. (2012, 11 21). Book Cheap Flight Online to Over 130 Destinations. Retrieved 10 17, 2018, from AirAsia: 

https://www.airasia.com.

2. Wikipedia. (2009, 6 15). Home Page. Retrieved 10 16, 2018, from Wikipedia: 

https://en.m.wikipedia.org

3. https://www.technopedia.com/definition/1119/storage-device