What research says about
Subtitle: irregular teacher certification policies.
Contributors: National Education Association of the United States. Professional and Organizational Development. Research Division.
Series: Data-search -- no. 3
Publisher: National Education Association
Published: 1986
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Teachers -- Certification -- United States -- States.
Notes: "March 1986."

"Professional and Organizational Development/Research Division."

Bibliography: p. 7.