Setiadi, R.B. and Hernadewita, H. 2026. Designing a Model Using a Dynamic Systems Approach in the Utilization of Nickel Slag Waste . Eduvest - Journal of Universal Studies. 6, 1 (Jan. 2026), 234–246. DOI:https://doi.org/10.59188/eduvest.v6i1.52633.