2022-06-132022-06-132022-06-12https://epurbodesh.com/index.php?date=12-06-2022&page=3, https://www.edainikpurbokone.net/index.php?page=1&date=2022-06-12http://dspace.iiuc.ac.bd:8080/xmlui/handle/123456789/3269আইটি সেমিনার