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Abderahman Rejeb a , Alireza Abdollahi b , Karim Rejeb c , Horst Treiblmaier d, a Department of Management and Law, Faculty of Economics, University of Rome Tor Vergata, Via...

With the population of the world estimated to reach 9.9 billion in 2050, focus has been drawn to question how this huge number of people on earth would survive considering...