@incollection{MEM_2011_40_1_a34,
     author = {Manev, Krassimir and Sredkov, Miloslav and Armyanov, Petar},
     title = {A {Software} {Platform} for {Teaching} {Programming} with {Grading} {Systems}},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {300--305},
     year = {2011},
     volume = {40},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2011_40_1_a34/}
}