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The Makus Valley Meter is an excellent tool for teachers, and does have positive impacts on students since a silent/reduced noise atmosphere is sometimes needed by students. It is one of the tools ...
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Makus Volume Meter: From Negative to Positive
The Makus Valley Meter is an excellent tool for teachers, and does have positive impacts on students since a silent/reduced noise atmosphere is sometimes needed by students. It is one of the tools ...
Voir plus