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Investigation into the comparative efficiency of ordinary classroom teaching and teaching with 16 m.m projector in standard eleven... / by Sukumaran Nair R

By: Material type: TextTextPublication details: 1961.Other title:
  • An investigation into the comparative efficiency of ordinary classroom teaching and teaching with 16 m.m projector in standard eleven
Subject(s): DDC classification:
  • 370 SUK.I
Other classification:
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