DAI, Jianhua; WANG, Tao. Research on Teaching Reform of Numerical Control Programming and Machining in Higher Vocational Colleges Based on the 1+X Certificate System. Education Insights, SOAP, U.K., v. 3, n. 1, p. 98–105, 2026. DOI: 10.70088/76ehtm37. Disponível em: https://soapubs.com/index.php/EI/article/view/1318.. Acesso em: 30 jan. 2026.