Mahmud, M. et al. 2026. Kedah Tua: Warisan Perdagangan Rempah Alam Melayu dan Implikasinya kepada Pembangunan Ekonomi Komuniti Kontemporari: (Ancient Kedah: The Heritage of the Malay Spice Trade and Its Implications for Contemporary Community Economic Development). Applied History Journal of Merong Mahawangsa. 4, (Jul. 2026), 122–148. DOI:https://doi.org/10.32890/ahjmm2026.4.7.