Nat'l Institute DI
@nifdi
The National Institute for Direct Instruction (NIFDI) is the world's foremost Direct Instruction (DI) support provider.
ID: 378083906
http://www.nifdi.org 22-09-2011 16:22:47
670 Tweet
1,1K Followers
110 Following
@nifdi
The National Institute for Direct Instruction (NIFDI) is the world's foremost Direct Instruction (DI) support provider.
ID: 378083906
http://www.nifdi.org 22-09-2011 16:22:47
670 Tweet
1,1K Followers
110 Following