00439     2200157   4500001002100000005001500021035002000036245004900056100002200105250001600127300003600143260005400179082001500233084001500248020001800263INLIS00000000000000320250508104543  a0010-05250000031 aPrinciples of Economics /cN. Gregory Mankiw0 aN. Gregory Mankiw  a8th edition  a836 hlm. :bilus. ;c23 x 15 cm  aSingapore :bCengage Learning Asia Pte Ltd,c2018  a330 M278p8  a330 M278p8  a9789814780353<pre>An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /home/cgag1341/public_html/lib.cga.sch.id/common/components/MarcHelpers.php on line 185. in /home/cgag1341/public_html/lib.cga.sch.id/vendor/yiisoft/yii2/web/Response.php:369
Stack trace:
#0 /home/cgag1341/public_html/lib.cga.sch.id/vendor/yiisoft/yii2/web/Response.php(342): yii\web\Response-&gt;sendHeaders()
#1 /home/cgag1341/public_html/lib.cga.sch.id/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response-&gt;send()
#2 /home/cgag1341/public_html/lib.cga.sch.id/vendor/yiisoft/yii2/base/ErrorHandler.php(152): yii\web\ErrorHandler-&gt;renderException(Object(yii\web\HeadersAlreadySentException))
#3 [internal function]: yii\base\ErrorHandler-&gt;handleException(Object(yii\web\HeadersAlreadySentException))
#4 {main}
Previous exception:
yii\web\HeadersAlreadySentException: Headers already sent in /home/cgag1341/public_html/lib.cga.sch.id/common/components/MarcHelpers.php on line 185. in /home/cgag1341/public_html/lib.cga.sch.id/vendor/yiisoft/yii2/web/Response.php:369
Stack trace:
#0 /home/cgag1341/public_html/lib.cga.sch.id/vendor/yiisoft/yii2/web/Response.php(342): yii\web\Response-&gt;sendHeaders()
#1 /home/cgag1341/public_html/lib.cga.sch.id/vendor/yiisoft/yii2/base/Application.php(390): yii\web\Response-&gt;send()
#2 /home/cgag1341/public_html/lib.cga.sch.id/opac/index.php(26): yii\base\Application-&gt;run()
#3 {main}</pre>