research-article | 23-April-2019
through the acquisition and managing resources, as well as enabling better management of internal capabilities. According to the RBV, resources must be VRIN (valuable, rare, inimitable, and non-substitutable), which are considered as the source of the company’s competitive advantage .
Kersten and Koch  stated that in today’s international and dynamic marketplace, companies of different sizes are frequently faced with difficulties in managing their own business value chains
Omer Abdalla SIDDIG,
Abdel Hafiez Ali HASABALLAH,
Transport Problems, Volume 14 , ISSUE 1, 141–154