Otuka JE, Anamuah-Mensah J, Thompson A. Ghanaian students’ ideas about force and friction: Ghanaian students’ ideas about force and friction. JEM [Internet]. 1999 Nov. 1 [cited 2024 Dec. 22];2:67-86. Available from: https://journal.ucc.edu.gh/index.php/jem/article/view/374