3D-Printed Modular Radiation Sources for Testing Radiation Detectors and Advancing Radioisotopes Identification AlgorithmsOluwadara Afolabi, Tanvir Hassan, Anil Prasad, Nikolaos Kotsios, Liqian Li and Ghaouti BentoumiEPJ Web Conf., 338 (2025) 06004DOI: https://doi.org/10.1051/epjconf/202533806004