THE EFFECTIVENESS OF TEACHING BOOK BASED ON REPRESENTATION OF VERBAL PICTURES AND TABLES (R-VGT) IN BIOTECHNOLOGICAL MATERIALS TO IMPROVE STUDENTS CRITICAL THINKING - S.Pd., Moh Agus Wibisono,; M.Si, Prof. Dr. I Ketut Mahardika,; M.Kes, Dr. Dwi Wahyuni, (International Journal of Advance Research and Innovative Ideas In Education, 2019)