Izzah Khalif Raihan, Sinar Ayu Wulandari, & Zainal Abidin Achmad. (2021). Business competition related to the rapid test service for diagnosis of COVID-19 in hospitals in Surabaya, Indonesia. Journal of Peace, Development and Communication, 5(04), 48-62. Retrieved from http://pdfpk.net/ojs/index.php/jpdc/article/view/282