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Continue to ChatUser Value: Competing Theories and Models - https://avesis.metu.edu.tr/yayin/c0988a0f-82cf-4e2e-8044-e298cf65ea3c/user-value-competing-theories-and-models
User Value: Competing Theories and Models - https://avesis.metu.edu.tr/yayin/c0988a0f-82cf-4e2e-8044-e298cf65ea3c/user-value-competing-theories-and-models