Bekele, A. and Abebe, Y. (2014) “Analysis of Adoption Spell of Hybrid Maize in the Central Rift Valley, Oromyia National Regional State of Ethiopia: A Duration Model Approach”, Journal of Science, Technology and Arts Research, 3(4), pp. 207–213. Available at: https://journals.wgu.edu.et/index.php/star/article/view/553 (Accessed: 23 December 2024).