1. Ratten, V.: Cloud computing technology innovation advances: a set of research propositions. Int. J. Cloud Appl. Comput. 5(1), 69–76 (2015). https://doi.org/10.4018/ijcac.2015010106
2. Mell, P., Grance, T.: The NIST definition of cloud computing. National Institute of Standards and Technology, Gaithersburg, USA, September 2011
3. QSS: Cloud Computing – Delivery and Deployment Models (2019). https://www.qsstechnosoft.com/cloud-computing-delivery-and-deployment-models/
4. Pillai, S.: Cloud computing delivery models explained (2014). https://www.ibm.com/blogs/cloud-computing/2014/03/17/cloud-computing-delivery-models-explained/
5. www.binaryinformatics.com (2019). Cloud Service Model – Understand the Types, Characteristics, & Advantages. http://blog.binaryinformatics.com/technology/what-is-the-cloud-service-model/. Accessed 03 Apr 2019