Zewdie, Mulugeta Aklilu, and Yohannes Yibabe. “Seasonal Time Series Analysis on Export Performance of Hawassa Green Wood Flower Production (SARIMA Model)”. International Journal of Mathematical Research 6, no. 2 (December 18, 2017): 60–68. Accessed July 22, 2024. https://archive.conscientiabeam.com/index.php/24/article/view/2203.