Title	Methodological Fundamentals Of Application Of Competencies For Teachers Of Foreign Languages
Author	Yuliia Zahrebniuk, Vasyl Zheliaskov, Ihor Romanyshyn, Nonna Varekh, Polina Yakymenko
Citation	Vol. 21  No. 11  pp. 328-332
Keywords	Innovative teaching. Higher education. Teaching technology.

Title	Review of Biometrics-Based Authentication Techniques in Mobile Ecosystem
Author	Fatimah Al-Jarba and Mohammed Al-Khathami
Citation	Vol. 21  No. 11  pp. 321-327
Keywords	Mobile phone; User authentication; Biometrics; Face recognition

Title	Enhanced Hybrid XOR-based Artificial Bee Colony Using PSO Algorithm for Energy Efficient Binary Optimization
Author	Yakubu S. Baguda
Citation	Vol. 21  No. 11  pp. 312-320
Keywords	Swarm intelligence, artificial bee colony, binary optimization, PSO, convergence, computational complexity

Title	A Survey of Application Layer Protocols of Internet of Things
Author	Nawab bibi, Faiza Iqbal, Salwa Muhammad Akhtar, Rabia Anwar, Shamshad bibi
Citation	Vol. 21  No. 11  pp. 301-311
Keywords	Internet of Things (IoT), Application layer protocols, MQTT, CoAP, XMPP, AMQP.