"General Trends in Science Education" by Elaine W. Ledbetter

"General Trends in Science Education" by Elaine W. Ledbetter, Box: 2, Folder: 49. Kansas Association of Teachers of Science records, RH MS 733. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/104530 Accessed December 26, 2025.