Tariq Faruq Sadiq, Masami Takahata, Abdulla Aram Abdulla, Hirokatsu Utagawa, Kamaran A. Abdulhameed, Saman Saber Ali, Farhad Jamal Hasan, Berivan Mohsin Azeez, Saidgwl Saida Ali, Salar Hussein Hasan and Kamaran Murshed Saleh 2026. Optimizing Harvest Time for Sweet Potato in the Kurdistan Region of Iraq. Zanco Journal of Pure and Applied Sciences. 38, 1 (Feb. 2026), 132–141. DOI:https://doi.org/10.21271/ZJPAS.38.1.11.