Indriputri, C. and Maulana, R. 2023. Design of a Decision Tree-Based Decision Support System in Predicting the Causes and Handling of ABO Blood Group Discrepancies. Jurnal INSYPRO (Information System and Processing). 8, 1 (May 2023). DOI:https://doi.org/10.24252/insypro.v8i1.41097.