Commit Graph

2 Commits

Author SHA1 Message Date
marjune
93401d1790 Improve chapter 15 3 (#694)
* improve chapter 15.3

* improve chapter 15.5

* improve chapter 15.6
2019-07-24 17:19:30 -07:00
marjune
0584651404 add chapter 15.5 (#681) 2019-07-15 19:56:27 -07:00