Luís Alves, Dusan B. Gajic, Pedro Rangel Henriques, Vladimir Ivancevic, Vladimir Ivkovic, Maksim Lalic, Ivan Lukovic, Maria João Varanda Pereira, Srdan Popov, Paula Correia Tavares. C Tutor usage in relation to student achievement and progress: A study of introductory programming courses in Portugal and Serbia. Comp. Applic. in Engineering Education, 28(5):1058-1071, 2020. [doi]
Abstract is missing.