Fidel, E. G. (1963). Contemporary principles of educational supervision and their application in the Manila public secondary schools. s.n.].
Citace podle Chicago (17th ed.)Fidel, Erlinda Gueco. Contemporary Principles of Educational Supervision and Their Application in the Manila Public Secondary Schools. [Bloomington, Ind: s.n.], 1963.
Citace podle MLA (9th ed.)Fidel, Erlinda Gueco. Contemporary Principles of Educational Supervision and Their Application in the Manila Public Secondary Schools. s.n.], 1963.
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