@article{SJC_2017_11_3-4_a2,
     author = {Pancheva, Katina and Antonova, Albena and Stefanov, Krassen and Georgiev, Atanas and Mihnev, Pencho and Malcheva, Temenujka},
     title = {Supporting {European} {Energy} {Consumers} through {Gamification} and {Competence-based} {Learning}},
     journal = {Serdica Journal of Computing},
     pages = {225--248},
     publisher = {mathdoc},
     volume = {11},
     number = {3-4},
     year = {2017},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SJC_2017_11_3-4_a2/}
}