Search for dissertations about: "A Beyene"
Found 3 swedish dissertations containing the words A Beyene.
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1. Obstacles to students' learning of the limit concept : A comparative study
Abstract : This thesis explores obstacles to students’ learning of the limit of a function as students learn the concept in post-compulsory schools in two culturally different contexts, namely Sweden and Ethiopia. The study investigates obstacles to students’ learning of the intuitive limit concept (the limit concept that is based on the intuitive definition) taught in upper secondary schools of these two contexts and characterises the nature of these obstacles. READ MORE
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2. Fungal disease dynamics, genetic variation and biodiversity-yield relationships : — a study along a gradient of coffee management in southwestern Ethiopia
Abstract : Intensification of agricultural systems is a major threat to the associated biodiversity and could also affect the dynamics of pests and pathogens. One such system that is currently under an intensification trajectory is the production of Arabica coffee. READ MORE
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3. Studies of hepatitis C virus envelope proteins : interaction with host cells and as targets for the humoral response
Abstract : Hepatitis C virus (HCV) is a major cause of chronic hepatitis infection worldwide. It leads to chronic infection in over 80% in infected patients and may result in liver cirrhosis, hepatocellular carcinoma and autoimmune disorders. READ MORE