Display ads(Google Adsense)

display ads-ageconbd.com

display ads 1-ageconbd.com

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display ads 5-ageconbd.com

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Go to google.com/adsense > Click Ads > Click by ad unit > Click Display ads  > Click Name your ad unit  > Set a name > Select Create >Select Copy code snippet > Select Done

Go to blogger.com > Select Layout > Select Header Ads 728 * 90 > Paste Copy code snippet > Tick Show HTML/JavaScript under Visible > Click Save > Click Save icon on the right of blogger