add presentations
authorAmin Bandali <bandali@gnu.org>
Tue, 23 Apr 2019 05:51:41 +0000 (01:51 -0400)
committerAmin Bandali <bandali@gnu.org>
Tue, 23 Apr 2019 05:51:41 +0000 (01:51 -0400)
commit8b2bd4899f02ec1fa8f0d918396ea77afe0686ad
tree92d92eac3dba0384e946e17ed0c39bcd4182ba1f
parentcb742bb69034bdc97f1b762fc4bf7fde4f027fea
add presentations
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