| Content of Issue 5 DOI: 10.3217/jucs-023-05
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| Managing Editor's Column | C. Gütl | 431 | 
| Computational Evaluation of Effects of Motivation Reinforcement on Player Retention | D. Ašeriškis, R. Damaševičius | 432 | 
| Steganography in VLC Systems | G. Blinowski, K. Szczypiorski | 454 | 
| Solving a Large Real-world Bus Driver Scheduling Problem with a Multi-assignment based Heuristic Algorithm | A.A. Constantino, C.F.X. de Mendonca Neto, S.A. de Araujo, D. Landa-Silva, R. Calvi, A.F. dos Santos | 479 | 
| A Comparative Study of Objective Video Quality Assessment Metrics | C.A. Mello, M.M. Saraiva, D.P. Menor, R. Nishihara | 505 |