Economic sciences , , 3-9 10-15 Medical sciences , , 16-17 , , , 17-18 , , , 18-19 , , , 20-21 21-23 23-25 , , 25-27 , , 28-28 , , 29-29 30-31 Pedagogical sciences , , 32-34 34-36 37-38 Psychological sciences 39-41 Technical sciences 42-42 , , , , , , 42-43 , 43-45 Chemical sciences , , , , , 46-46