In history, the food sector has remained the most vulnerable and is accountable for many crises and food scandals, so to avoid this in the near future, it is essential to have better control over the flow of products and the usage of blockchain technology can achieve this control in the supply...

Purpose Immunization is one of the most cost-effective ways to save lives while promoting good health and happiness. The coronavirus disease 2019 (COVID-19) pandemic has served as a stark reminder of vaccines' ability to prevent transmission, save lives, and have a healthier, safer and more...

Background: Organ transplants require proper monitoring and tracking. This research examines the adoption of blockchain in the organ supply chain to bring transparency and help patients avoid the fraud that may be faced in the organ transplant process. This study aims to develop a framework and...

In this paper, two modified, design-based calibration ratio-type estimators are presented. The suggested estimators were developed under stratified random sampling using information on an auxiliary variable in the form of robust statistical measures, including Gini’s mean difference,...