Transactions on Edutainment XV - Pan, Zhigeng; Pan, Zhigeng; Cheok, Adrian David; Cheok, Adrian David; Müller, Wolfgang; Müller, Wolfgang; Zhang, Mingmin; Zhang, Mingmin; El Rhalibi, Abdennour; El Rhalibi, Abdennour; Kifayat, Kashif; Kifayat, Kashif (Springer Berlin Heidelberg : Imprint: Springer, 2019)