the internal control of the procurement process in business based on a risk-oriented approach and with the digital …, the unforeseen circumstances theory, and the use of big data and business analytics. In the first section, the authors … of the procurement process in business based on a risk-oriented approach with the use of digital techniques and a …

tool which provides necessary information for improving business performance. To fulfil the abovementioned goal, we used a …

, business, risk, financial management and financial markets, among others. COVID-19 has generated great uncertainty, and … Business, Economics and Finance". This Special Issue will attract practical, state-of-the-art applications of mathematics … that have been discussed in tourism, global health security and risk management in business as well as the social and …