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Abstract

The purpose of this research is to produce research based textbook on bioremediation of heavy metals. This study adapted the Dick & Carey development model. Feasibility of the textbook is based on the results of product testing by experts and small groups. Types of data collected is quantitative data and qualitative data. The collected data have analyzed by quantitative and qualitative descriptive. The tests conducted by subject matter experts gave validity percentage of 91.6 %, an expert assessment of the media at 90.81 %, while a small group votes for 85.56 %. Based on the validation results, the textbook that has been developed is very valid and feasible to be used.

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