Nguyen T, Nguyen T, Nguyen V. Research and manufacture of external non-circular gear-pair with improved cycloid profile of the ellipse. VNUHCM Journal of Engineering and Technology [Internet]. 16Apr.2021 [cited 7Apr.2026];4(2):835-4. Available from: https://et.vnuhcmjournal.com.vn/index.php/et/article/view/773