CodeMaster - Automatic Assessment and Grading of App Inventor and Snap! Programs. - Christiane Gresse von Wangenheim; Jean C. R. Hauck; Matheus Faustino Demetrio; Rafael Pelle; Nathalia da Cruz Alves; Heliziane Barbosa; Luiz Felipe Azevedo (Informatics Educ., 2018)