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Using technology to engage students inside and outside the classroom
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0){
echo " | ";
}else if($p>0){
$prev = array_keys( $pages[$p_names[($p-1)]]);
echo " | ";
}
echo " | ";
if($n<(count($names)-1)){
echo " | ";
}else if($p<(count($p_names)-1)){
echo " | ";
}
?>
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