Title	Technological Aspects of the Use of Modern Intelligent Information Systems in Educational Activities by Teachers
Author	Stanislav Tkachuk, Iryna Poluboiaryna, Olha Lapets†††, Oksana Lebid, Kateryna Fadyeyeva, Olena Udalova
Citation	Vol. 21  No. 9  pp. 99-102
Keywords	information technology, communication technologies, education system, educational process.

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

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	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.