Manullang, S. et al. 2024. Perhitungan Manfaat Pasti Dengan Metode Spreading Gains And Losses Pada Program Pensiun. Innovative: Journal Of Social Science Research. 4, 2 (Apr. 2024), 5211–5219. DOI:https://doi.org/10.31004/innovative.v4i2.9968.