ĐINH TẤN NGỌC; ĐỖ VĂN DŨNG; ĐỖ QUỐC ẤM. Researching and evaluating some new methods to measure engine speed. Journal of Technical Education Science, [S. l.], v. 9, n. 4, p. 52–56, 2014. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/558. Acesso em: 7 apr. 2026.