Chanchalotorn, Siwakorn, Tin Ayurag, Supakorn Suwansilisil, Christsanutth Siripakkaphant, Nattaphan Siritikul, Petnumnueng Ponsumritchok, Supanut Waroonkun, and Parinya Tianwibool. “Effectiveness of the Alarm System Policy on Reducing Ambulance Response Time in Prehospital Emergency Patients Care”. Journal of Asian Medical Students’ Association (July 5, 2021). Accessed April 25, 2024. https://jamsa.amsa-international.org/index.php/main/article/view/293.