Luu, L.K.C. et al. 2025. EXTINCTION FOR A FAST DIFFUSION EQUATION WITH MIXED BOUNDARY CONDITIONS WITH A NONLINEAR NONLOCAL SOURCE. Ho Chi Minh City University of Education Journal of Science. 22, 7 (Jul. 2025), 1199–1210. DOI:https://doi.org/10.54607/hcmue.js.22.7.4083(2025).