DEVELI, Fatih; NAMDAR, Bahadir. Defining Friction Force: A Proposed Solution to a Textbook Problem. Journal of Education in Science, Environment and Health, [S. l.], v. 5, n. 1, p. 91–101, 2019. Disponível em: https://www.jeseh.net/index.php/jeseh/article/view/173. Acesso em: 3 may. 2024.