Alemu, T. (2015) “Determinants of Wheat Yield Variation of Smallholders in South Eastern Ethiopia: Application of Ordered Logistic Regression”, Journal of Science, Technology and Arts Research, 4(3), pp. 61–66. Available at: https://journals.wgu.edu.et/index.php/star/article/view/245 (Accessed: 23 November 2024).