85654896
Jun 18, 2012
Audio and video recordings featuring educational materials in the field of physical sciences, history, mathematics, economics, psychology, government studies and language instruction for K-12 education as well as for standardized test preparation; Downloadable video recordings featuring educational materials in the field of physical sciences, history, mathematics, economics, psychology, government studies and language instruction for K-12 education as well as for standardized test preparation
Electrical and Scientific Apparatus