Rifai, M. et al. 2021. Pendampingan Pedonor Baru di Unit Tranfusi Darah Palang Merah Indonesia Kota Surabaya Tahun 2020. Journal of Community Engagement in Health. 4, 2 (Sep. 2021), 501–510. DOI:https://doi.org/10.30994/jceh.v4i2.276.