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Abstract

This study aims to produce a book-based blog as a support for basic literacy in grade IV of elementary school that meets feasibility in terms of validity, practicality, attractiveness, and effectiveness. This research is a research & development research with a 4D model, namely define, design, development, disseminate. The results showed the validity level was 90.86%, the practicality level was 81.90%, the attractiveness level was 90.15%, the effectiveness of the product t>t table was 3.91>1.734 and there was an increase in the average pretest 23 to the average posttest 41,77. Comments and suggestions from experts and teachers and students are considered in improving the product so that the product is suitable for use.

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