<![CDATA[AbstractThis research aimed to know the feasibility of pocket book on the sub-chapter of digestive system disorderbased on test of the influence of alcoholic beverages on the histopatholofy picture of intestine and stomach of mice.This research used Research and development (R&D) which consist of problem and potential identification, data collecting, product designing, design validating and design revising. Pocket book which were develop had been validated by 7 validators. These 7 validators consist of 2 lecturers, and 5 biology teacher of Senior High School ( 2 from Senior High School in Sanggau, 3 from Senior High School in Pontianak). The result shows that the value of pocket book media is feasible to use as media with the CVI value is about 0,88 for all criteria including content utility, language worthiness and display advisability.Based on the result, the conclude is the pocket book media is appropriate or feasible to be utilized for teaching and learning media in particular on the sub-chapter of digestive system disorder by testing the effect of tuak influence toward mice’s stomach and intestine organ.Keywords: Pocket book, Research and Development, sub-chapter of digestive system disorderbased]]>
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