Realization of self-interacting freeze-in dark matterSudipta Show, Purusottam Ghosh, Partha Konar and Abhijit Kumar SahaEur. Phys. J. Spec. Top., 233 11-12 (2024) 2143-2148DOI: https://doi.org/10.1140/epjs/s11734-024-01122-5