Miljković, Boža D., Mališa R. Žižović, and Aleksandar V. Petojević. 2016. “Monitoring the Effect of Motivation on Mastering Knowledge and Skills in Distance Learning Systems”. Vojnotehnički Glasnik Military Technical Courier 64 (4): 1009-32. https://doi.org/10.5937/vojtehg64-10687.