Biru, Teshome, and Dawit Tassew. “Association of Coffee Bean Defects With Ochratoxin A Contamination in the Samples Originated from Ethiopia”. Ethiopian Journal of Science and Sustainable Development 6, no. 1 (May 1, 2019): 68-78. Accessed April 20, 2025. http://213.55.101.19/index.php/EJSSD/article/view/77.