• exercise 6920180907101220.R Data
• exercise 6_9.R Data
• exercise 6_8_20180907101220.R Data
• exercise 68.R Data
• exercise 6720180907101221.R Data
• exercise 6_7.R Data
• exercise 6_4_20180907101220.R Data
• exercise 64.RD at
• exercise 6320180907101220.R Data
• exercise 6_3.R Data
• exercise 6220180907101220.R Data
• exercise 6_2.RD at
• exercise 6120180907101222.R Data
• exercise 6_11_20180907101220.R Data
• exercise 6_11.R Data
• exercise 6_10_20180907101220.R Data
• exercise 610.R Data
• exercise 6_1.R Data