Improvement of blood donor knowledge in community at Sumbertlaseh, Bojonegoro. Community Empowerment, [S. l.], v. 8, n. 1, p. 95–101, 2023. DOI: 10.31603/ce.7784. Disponível em: https://coba.unimma.ac.id/ce/article/view/7784. Acesso em: 30 sep. 2026.