1. Efficacy Validation of the Revised First Step Program: A Randomized Controlled Trial. (January 2021) Authors: Feil, Edward G.; Walker, Hill M.; Frey, Andy J.; Seeley, John; Small, Jason W.; Golly, Annemieke; Lee, Jon; Forness, Steve R. Journal: Exceptional children Issue: Volume 87:Number 2(2021) Page Start: 183 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗