Thai, D. T. Q., Hien, D. T., & Tuan, N. T. (2026). Ecological Crisis and Migration: Environmental Hardships, Harvest Failures, and Out-Migration Pressures in Central Annam (1900-1940). CINEFORUM, 66(S6), 942–947. https://doi.org/10.66669/cineforum.v66iS6.1927