Bereket Gebreselassie (2020). READING VOCABULARY THRESHOLD OF ENGLISH FOR ETHIOPIA TEXTBOOKS AND STUDENTS RECEPTIVE VOCABULARY KNOWLEDGE. ISSN: 2320-5407. DOI: 10.21474/IJAR01/11001 . CiteFactor. https://citefactor.org/article/175707/reading-vocabulary-threshold-of-english-for-ethiopia-textbooks-and-students-receptive-vocabulary-knowledge