Santos, F. P., & I. Calado, R. R. a. (1969). Selected educational trends and problems: By Felix P. Santos & Rene R. Calado. Division of Educational Planning, Dept. of Education.
Citace podle Chicago (17th ed.)Santos, Felix P., a Rene R.,joint auth I. Calado. Selected Educational Trends and Problems: By Felix P. Santos & Rene R. Calado. Manila: Division of Educational Planning, Dept. of Education, 1969.
Citace podle MLA (9th ed.)Santos, Felix P., a Rene R.,joint auth I. Calado. Selected Educational Trends and Problems: By Felix P. Santos & Rene R. Calado. Division of Educational Planning, Dept. of Education, 1969.
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