Zapata, A. G. (1972). An instrument for measuring the science interests of grade school children.
Lua i Stíl Chicago (17ú heag.)Zapata, Asuncion G. An Instrument for Measuring the Science Interests of Grade School Children. 1972.
Lua MLA (9ú heag.)Zapata, Asuncion G. An Instrument for Measuring the Science Interests of Grade School Children. 1972.
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