Our new book chapter is already available
Alves, N. d. C., Gresse von Wangenheim, C., Hauck, J. C. R., Borgatto, A. F. Automating the Assessment of Algorithms and Programming Concepts in App Inventor Projects in Middle School. Handbook of Research on Tools for Teaching Computational Thinking in P-12 Education, eds. M. Kalogiannakis and S. Papadakis, IGI Global, 2020, 75-101. http://doi:10.4018/978-1-7998-4576-8.ch004