Pereira, Aluisio José, Elissandra Cheu Pereira do Nascimento, Fábio Abrantes Diniz, Elder Gonçalves Pereira, and Francisco Paulo de Freitas Neto. “A Collaborative Application to Encourage Blood Donation”. International Journal of Advanced Engineering Research and Science 6, no. 6 (October 5, 2019). Accessed November 23, 2024. https://journal-repository.com/index.php/ijaers/article/view/492.