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This article describes the students’ low reasoning ability of the Economics Master Program in writing scientific journals and thesis that are still based on the old theory and common sense, so it is necessary to apply an attractive learning model that is research based learning with inquiry approach. This research uses development research design (Research and Development, R & D). The result of the research shows that there is an increase of students intellectual skill in reasoning and narrating the references based on the international journal that cited in writing journal and students’ thesis, but not yet significant. For that purpose, it needed a follow-up of this development research in the following year.

Research Based Learning, Intellectual Skill, Scientific Journal