| 2009 |
okkez |
Ruby Reference Manual Renewal Project 2009 Summer |
| 2010 |
okkez |
Ruby Reference Manual Renewal Project 2010 Summer |
| 2011 |
okkez |
Ruby-no-kai Itself and Some Related Projects. |
| 2013 |
okkez |
Ruby2.0 reference manual for Japanese |
| 2016 |
okkez |
Ruby Reference Manual 2016 Autumn |