Saputra, Hendra Nelva, and Alfiah Fajriani. “Development of Augmented Reality-Assisted Health Education Posters on Covid-19”. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, vol. 5, no. 2, July 2021, doi:10.30651/jqm.v5i2.7378.