Title	Concurrency Conflicts Resolution for IoT Using Blockchain Technology
Author	Amr Morgan, Ashraf Tammam, and Abdel-Moneim Wahdan
Citation	Vol. 21  No. 7  pp. 331-340
Keywords	Blockchain, distributed systems, decentralized access management, internet of things, concurrency management problem

Title	Concurrency Conflicts Resolution for IoT Using Blockchain Technology
Author	Amr Morgan, Ashraf Tammam, and Abdel-Moneim Wahdan
Citation	Vol. 21  No. 7  pp. 331-340
Keywords	Blockchain, distributed systems, decentralized access management, internet of things, concurrency management problem

Title	Application of Information Technologies for Lifelong Learning
Author	Mykhailo Poplavskyi and Ihor Bondar
Citation	Vol. 21  No. 7  pp. 304-311
Keywords	the concept of “lifelong learnng”, ICT, competency-based approach, information socety, globalization

Title	Application of Information Technologies for Lifelong Learning
Author	Mykhailo Poplavskyi and Ihor Bondar
Citation	Vol. 21  No. 7  pp. 304-311
Keywords	the concept of “lifelong learnng”, ICT, competency-based approach, information socety, globalization