Wang, Y.-S., L.-S. He, Z.-Q. Gao, J.-F. Wang, and Y.-F. Cao. “Remote Monitoring for the Operation Status of CNC Machine Tools Based on HTML5”. Advances in Technology Innovation, Vol. 4, no. 4, Aug. 2019, pp. 260-8, http://ojs.imeti.org/index.php/AITI/article/view/4123.