Association for Supervision and Curriculum Development (U.S.). Yearbook Committee, 1972. (1972). A New look at progressive education. Association for Supervision and Curriculum Development.

Association for Supervision and Curriculum Development (U.S.). Yearbook Committee, 1972. A New Look at Progressive Education. Wash.: Association for Supervision and Curriculum Development, 1972.

Association for Supervision and Curriculum Development (U.S.). Yearbook Committee, 1972. A New Look at Progressive Education. Association for Supervision and Curriculum Development, 1972.