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In the development of technology in Indonesia, various publishers introduce themselves and participate in advancing the quality of education through the publication of various books as a source of learning, one of which is PT. JePe Press Media Utama. In compiling the source of learning found some problems that have not been resolved by the editor. The purpose of this research is to overcome the problems that exist in PT. JePe Press Media Utama by developing module. This development research uses the ADDIE model. The type of data used in this study is qualitative and quantitative data obtained based on the results of structured interviews with material experts and media experts, as well as editor response questionnaire provided for individual trials and small group trials. Based on the review of material experts and media experts, the result of combined validation included in the category is very valid with the percentage of 84, 69%. The combined results of individual trial trials included in the category are valid enough with a percentage of 80, 21%. While the combined results of small group trial feasibility included in the category is very valid with the percentage of 85, 61%.

Development, Primary School Supplement Module, Editors