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The science of mathematic is applicable in economic field to resolve problems based economic. The purpose of this study is to develop valid and practical worksheet criteria in economic-mathematics course. Employing the development study of design research method, this study encompasses three main steps namely the preliminary, prototyping, and assessment step with formative study being used as an evaluation flow in the prototyping step. The subjects of this study were fourth semester students of a university in Karawang.  The data were gathered through documentation, walkthrough, questionnaire, test, and interview. Based on the data analysis, it was concluded that this study has delivered seven valid and practical worksheets products on seven different economic-mathematics course materials.

economic-mathematics, worksheet, development research