Title	Administrative Leaders and Their Role in Bringing About Development and Organizational Change in Universities
Author	Rashid Abdelbasit Saad Abdelrahman
Citation	Vol. 21  No. 9  pp. 67-78
Keywords	administrative leaders, organizational development, organizational change, trait theory, managerial network, collective leadership, leadership theories, Northern Border University.

Title	Subdivision of Certain Barbell Operation of Origami Graphs has Locating-Chromatic Number Five
Author	Agus Irawan, Asmiati, La Zakaria, Kurnia Muludi and Bernadhita Herindri Samodra Utami
Citation	Vol. 21  No. 9  pp. 79-85
Keywords	locating-chromatic number, sudivision, certain barbell operation, origami graphs.

Title	Maritime Navigation Systems: Role And Place In The Safety Of Navigation
Author	Valeriy Tkachenko, Olha Voloshyna, Оleksandr Marukhnenko, Mykola Slobodanyuk, Volodymyr Zharikov, Sergiy Yatsenko
Citation	Vol. 21  No. 9  pp. 86-90
Keywords	navigational safety, seafaring safety, navigation, sea.

Title	Malicious Trust Managers Identification (MTMI) in Peer to Peer Networks
Author	Adwan Alownie Alanazi
Citation	Vol. 21  No. 9  pp. 91-98
Keywords	Peer to Peer, Malicious Trust Managers Identification (MTMI), Trust Mangers