Herring, Roger D. “Minimum Competency Testing: Implications for Ethnicity.” Journal of Multicultural Counseling and Development 17.3 (July 1989): 98-104.
Herring, Roger Dale. "A Study of the Relationships of Ethnicity, Sex, and School to Competency Level Achieved by High School Juniors on the North Carolina Minimum Competency Test for the Robeson County School System Between 1978-1983." Thesis. Appalachian State U, 1984.