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Srpska pravoslavna crkva -- History. / https://id.loc.gov/authorities/names/n84036630 https://id.loc.gov/authorities/subjects/sh99005024 : Mylonas, Christos.
Here are entered works on systems that allow teachers to pose questions to their class at certain points in their lecture, and students to send their responses to a computer by using a personal response unit, or clicker.