1. Ashton K (2009) That ‘internet of things’ thing, 4986, 1999.
http://www.rfidjournal.com/articles/view
. Accessed 9 Apr 2018
2. Ray B (2017) An in-depth look at IoT in agriculture and smart farming solutions.
https://www.link-labs.com/blog/iot-agriculture
. Accessed 9 Apr 2018
3. CropX Ltd. (2014)
https://www.cropx.com/
. Accessed 20 May 2018
4. Libelium, Increasing tobacco crops quality by climatic conditions control (2016).
http://www.libelium.com/increasing-tobacco-crops-quality-by-climatic-conditions-control/
. Accessed 20 May 2018
5. Precision Farming.
http://www.claasofamerica.com/product/precision-farming
. Accessed 22 May 2018