http://en.wikipedia.org/wiki/Business_Model_Canvas

http://bmimatters.com/tag/business-model-canvas-examples/

http://www.sswm.info/category/step-rrr-business-development/module-4-business-development-part-i-entrepreneurial-adapta-4

http://nur-agustinus.blogspot.com/2013/06/business-model-canvas-bmc_16.html

https://dreamboard.wordpress.com/business-strategy-of-singapore-airline/

http://www.aspireaviation.com/2012/03/08/singapore-airlines-stands-firm-to-premium-business-model/

http://thinkbusiness.nus.edu/articles/item/260-sia-strategy

http://www.ukessays.com/essays/marketing/strategies-and-operations-of-singapore-airlines-marketing-essay.php