“...-graduate theses were examined. 47 of them are master, 17 of them are PhD theses. Theses are often...”
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“..., published and had a PhD study on, is the original copy of author or not will be discussed and the topic...”
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“... Master’s theses and 8 of them were Ph.D. dissertations. 11 of the studies used the qualitative method, 14...”
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“..., institutions and issues, working in the field of piano graduate (202), PhD (43) and proficiency in arts (31...”
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