1. "1 KITCHENHAM, B. Guidelines for Performing Systematic Literature Reviews in Software Engineering. Version 2.3, EBSE Technical Report, Keele University, UK, 2007.
2. 2 INSFRAM, Emilio; FERNANDEZ, Adrian. A Systematic Review of Usability Evaluation in Web Development. ISSI Group, Department of Information Systems and Computation Universidad Politécnica de Valencia Camino de Vera, Valencia, Spain, 2008.
3. 3 BORGATTI, Stephen P.; FOSTER, Pacey C. The Network Paradigm in Organizational Research: A Review and Typology. Journal of Management 2003 29(6) 991–1013.
4. 4 DUCRUET, C. (2012) 'Port regions and globalization', in T.E. Notteboom. Ports in proximity: Competition and coordination among adjacent seaports, Aldershot: Ashgate, 41-54. Available at < http://www.sciencedirect.com/science/journal/13665545>. Accessed on: 07/08/2021.
5. 5 BERGANTINO, A.S. and VEENSTRA, A.W., 2002. Interconnection and co-ordination: an application of network theory to liner shipping. International Journal of Maritime Economics 4(3), 231-248.