<![CDATA[Based on observations and interviews with researchers lecturer of Biochemistry at the IKIP Budi Utomo Malang. The other problem is there are no print instructional materials that accommodate the needs of students. During learning less associate professor with the problems that exist around the student so that the existing textbooks are less able to encourage students to read. The consequences of the most visible problem is the low student results on the concepts learned in the course of Biochemistry. Based on observations, researcher proposes to compile Biochemistry teaching materials by using models Problem Based Learning (PBL). This research is the development of research. The development of this textbook refers Thiagarajan development model consisting of four stages. Based on the results of the research, the results of expert validation material for textbook Biochemistry shows the average percentage of 89,3 with the criteria very good. Media expert validation results of the textbook Biochemistry shows the average percentage of 78,7 with both criteria. Results of the validation practitioners to textbook Biochemistry lecturer shows the average percentage of 95 criteria very good. Legibility on student test results overall show that the textbook Biochemistry with a percentage of 95 indicates the criteria very good. Biochemistry textbook can increase interest in reading and learning outcomes of students on test readability.]]>
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