F. Abujalala and A. Elmangoush and M. Ashibani, Integrating Blockchain and Internet of Things Platforms: An Empirical Study on Immunization Cold Chain. journal = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2022, vol. 183(3). 61 - 67 [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10012447.