Teaching science through conservation
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M971T
Munzer, Martha E
 Teaching science through conservation \ Martha E Munzer - New York : McGraw-Hill Book, 1960.
 xvii, 470p. - McGraw-Hill series in education/ ed by Harold BenjaminCurriculum and methods in education/ ed by Arno A Bellack .
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  Subjects: Science-Study and teaching; Conservation of natural resources.

