Abstract
The purpose of developing this book is to produce textbooks on biotechnology subjects, especially in the field of medicine (forensic) as a complementary (supporting) book. The method used refers to the Hannafin Peck development model which includes three stages starting from the needs analysis, the design stage (designing textbook products), and the development stage through making textbooks and validating material and media experts. The instruments used were questionnaires and interview technique. The results were analyzed descriptively qualitatively. The results showed that both material and media experts scored very valid categories, so it could be concluded that the textbooks developed were very suitable for use in learning activities.
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