Prasetya, F., Syarifah, R.D., Karomah, I., Aji, I.K. and Trianti, N. 2024. A comparative analysis of gas-cooled fast reactor using heterogeneous core configurations with three and five fuel variations. Eastern-European Journal of Enterprise Technologies. 1, 8 (127) (Feb. 2024), 6–17. DOI:https://doi.org/10.15587/1729-4061.2024.298202.