Fauzi, Ahmad, Francisca Romana Sri Supadmi, and Nurpuji Mumpuni. “Perbandingan Jumlah Donasi Darah Sebelum Dan Saat Pandemi Covid-19 Di UTD PMI Banyumas Tahun 2019 Dan 2020: Comparison of Blood Donation Amount Before and During Covid-19 Pandemic in Banyumas PMI UTD in 2019 and 2020”. Jurnal Surya Medika (JSM) 7, no. 1 (August 30, 2021): 227–232. Accessed April 23, 2024. https://journal.umpr.ac.id/index.php/jsm/article/view/2372.