1. Opening remarks by president moon Jae-in at 7th cabinet meeting;Cheongwadae,2020
2. Are we ready for Coronavirus Disease 2019 arriving at schools?;Choe;Journal of Korean Medical Science,2020
3. All about Korea's response to COVID-19;Government of the Republic of Korea,2020
4. 2nd perception survey (government response evaluation, daily life change, etc.);HanKook Research,2020