Mutmainah, T., Nugraha, A.E., Luthfiyani, S., Nisa, D.D. and Muchyidin, A. 2026. Competition Modeling of the Combined Impact of Pterygoplichthys spp. and Invasive Trichogaster spp. on Native Freshwater Fish: Stability, Sensitivity, and Management Scenarios. Journal of Mathematics Instruction, Social Research and Opinion. 5, 3 (Nov. 2026), 2087–2404. DOI:https://doi.org/10.58421/misro.v5i3.1984.