Siahaan, H.N., Mia Wananda Varwasih, Putra, H.S. and Hasibuan, M.F.A. 2026. Rice farmers and climate change: a vulnerability study and adaptation strategy in Deli Serdang Regency. Journal of Agricultural Socio-Economics (JASE). 7, 1 (Jun. 2026), 1–20. DOI:https://doi.org/10.33474/jase.v7i1.25096.