Promrat, T., and N. . khampha. “Technician Section Repairing Information System Using Application on Smartphone: Case Study Phranakhon Si Ayutthaya Rajabhat University”. Kalasin University Journal of Science Technology and Innovation, vol. 2, no. 1, May 2023, pp. 75-89, doi:10.14456/ksti.2023.5.