Breukelman, J., & Frazier, R. P. (1961). Offerings and enrollments in the secondary school sciences: In Kansas in 1960-1961. Graduate Division, Kansas State Teachers College.
Citace podle Chicago (17th ed.)Breukelman, John, a Ralph Paul Frazier. Offerings and Enrollments in the Secondary School Sciences: In Kansas in 1960-1961. Emporia: Graduate Division, Kansas State Teachers College, 1961.
Citace podle MLA (8th ed.)Breukelman, John, a Ralph Paul Frazier. Offerings and Enrollments in the Secondary School Sciences: In Kansas in 1960-1961. Graduate Division, Kansas State Teachers College, 1961.
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