Teacher Friendship Facilitation: Many Roads to Rome, A. Turnbull, Pereira, Blue-Banning, February 1998, Box: 12, Folder: 32. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/305265 Accessed June 13, 2025.