Title	Internal Model Control for Unstable Overactuated Systems with Time Delays
Author	Ines Mahmoud and Imen Saidi,
Citation	Vol. 21  No. 1  pp. 64-69
Keywords	unstable overactuated system with time delays; internal model control; virtual outputs, stability; robustness.

Title	User Interface Design & Evaluation of Mobile Applications
Author	Najwa Samrgandi
Citation	Vol. 21  No. 1  pp. 55-63
Keywords	User interface, Prototype design, Testing methods, Mobile applications, design evaluation.

Title	User Interface Design & Evaluation of Mobile Applications
Author	Najwa Samrgandi
Citation	Vol. 21  No. 1  pp. 55-63
Keywords	User interface, Prototype design, Testing methods, Mobile applications, design evaluation.

Title	Results Of Mathematical Modeling Of Organizational And Technological Solutions Of Effective Use Of Available Resource Of Modern Roofs
Author	Iryna Arutiunian, Katerina Mishuk, Natalia Dankevych, Artem Yukhymenko, Victor Anin, Maryna Poltavets, Tetiana Sharapova
Citation	Vol. 21  No. 1  pp. 49-54
Keywords	Career Choices, Software Development, Software Engineering, Software Industry