Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456 JPH02278Y2 - - Google Patents
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The volume is one with which teachers of the social studies should be acquainted. While it can hardly be used in secondary-school classes, probably not even as a reference book, it should be a stimulating pattern by which teachers may measure their social