1. That ‘internet of things’ thing;Ashton;RFID Journal,2009
2. Internet of things (IoT): a vision, architectural elements, and future directions;Gubbi;Future Generation Computer Systems,2013
3. ISO 8402. Quality management and quality assurance –vocabulary. 2003.
4. ISO 9000. Quality management systems–fundamentals and vocabulary. 2005.
5. ITU-T E.860. Framework of a service level agreement. 2002.