mailto:hayder.ali@nu.ac.bd nu Support Research and Education Communities of Bangladesh National University Bangladesh https://www.nu.ac.bd data:image/png;base64,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 nu.ac.bd MIIEHDCCAoSgAwIBAgIVAIz00SFxNEHilYLFBVHb2DCioi8WMA0GCSqGSIb3DQEB CwUAMBcxFTATBgNVBAMMDGlkcC5udS5hYy5iZDAeFw0yNDAxMjgwOTE5MTNaFw00 NDAxMjgwOTE5MTNaMBcxFTATBgNVBAMMDGlkcC5udS5hYy5iZDCCAaIwDQYJKoZI hvcNAQEBBQADggGPADCCAYoCggGBAJVgOtqVAQ2S1xgCvBMkwer+/Kq/2e1Dh9FK qSxyjJkHKLsPxing98IjP1OrAzQaJIveBDOKxTXq05lnfsPOuHKiOYUbu55dMhTh 53RJ56bacHGRiAstcSR0aYXgfRQzcWh0GN3yLuwOwGyoWQ4l1PTviv5Njx8IPA6Z pRQi8OTve53NNjh3IecnkE3Q5pPvNB7/E+lnlreobgMxMB15ISFoEsEVFyc1j+Vx SZ2fn308iVyyNpaZX/UFtV/EBAJV2ugVUzZAc+YqrNGP/fxFAoRL0WExSoU9AIlI mSEsj4EvczgbnvCfyJG8T+n62YijE2lGUNMrz1BYzcgj/wGsJIIJlRRgdOskfxIM fdL0SXj/Qgl0ROYr43zLjYyVhvad4Sd7uU5dk82eLEpoKwkRqaSYNvxMY5n4tVEh YEWbPXWyIsfkFS+zM2Sdozc69t0hRme0a40tTPJ/EaEd9hdEqOVPvJP6ee/4fUbe UC4MOPqb+b5Rv45jHGZqyz4aWvhyNwIDAQABo18wXTAdBgNVHQ4EFgQUBX6aJjIS EZUKczREpOUHsNQ0WKYwPAYDVR0RBDUwM4IMaWRwLm51LmFjLmJkhiNodHRwczov L2lkcC5udS5hYy5iZC9pZHAvc2hpYmJvbGV0aDANBgkqhkiG9w0BAQsFAAOCAYEA c38V/MFhhM2+MKj+Qt+T3je0KkQu2VDk1jdY1RzLr2720c6USOu6t+mRvrw/wYkU zyinMq6GNnkdhKyxDpQX9jZN+wSqmDziIenou29r2j5k+CdWLKBLt8gHJ0hfElos nT2nhl1+35CNFTpkVkd/jeeieXty6AAMn2pVHX3sibmxGejJB/79UxtCyjcViZ2G MB90qmC72V8Fn3gQl4tbzYHrmt2gyrcmYYUh4j433/UXgyKFHue3PotNMNJgW86O YSJu4/WbDlBu/wXIsz0RMJSGRuehz8SWmGJ9wFvJ812kBWr/oei5AorpFy7LSSf/ qZyMo47pX5hLatY7LbmXGmHzYtPJ3HbXRax/E+VC14hZUqcBXVzJcTj/+/rQFSve CiahijZ9jL5YY94zjow9cu2HkZH4fACYPKsQf8RYxYUE5nqmDv+c7duIUPmAzO2w +UR3wTrtcE3L9egYXb7uC7U/2bdGSwazRWOlnJTZC2g2tMkj0iHYvyUdNBAGWbla MIIEGzCCAoOgAwIBAgIUG5b81/Vkyx7z19s9L6vyi211b6owDQYJKoZIhvcNAQEL BQAwFzEVMBMGA1UEAwwMaWRwLm51LmFjLmJkMB4XDTI0MDEyODA5MTkxN1oXDTQ0 MDEyODA5MTkxN1owFzEVMBMGA1UEAwwMaWRwLm51LmFjLmJkMIIBojANBgkqhkiG 9w0BAQEFAAOCAY8AMIIBigKCAYEAhcR/ovg5pYx5Yl0zE1JkZ0cfB1HJLo/sJj91 oM11SWWAoMMzi4GRf/873QdkCBoQZMpb++U9t9cX7xT9yV06BcW2jRDJuumi27l0 GEsLtSogmnjQx6Xv4nHTfelxDuklpQlAqe8NTPjNMQ2jzmAlga1PfXr8kv7YNS3M Rg4R/c2nEU0n0c2z4HERE5aSh8CDWNTW4qtfEgOQ42Vyx/89bTjHW02NPUfGUy1J l/FG5W/8/Elr7KS7ZDJjSiE/0gXow5qWWLYiWapPXqrh5+O/Kv2zTFvOY0KfmH0Y ndVe3+lIBKZcC8X9a4L4UEsS5gFJ8wlfwfqxN2ivH+yeGVU94R0umaTaqYLQVbx2 wB8Hp7LQALe4rHoGXHZ4GAu/l4jinvRXb3VOWaGRVEbNg+IlUa2Hh3YMGfBrSksV WhYjw6JZvOSyfzJ7mXadCxdnY5nJBTO6tppM9SmusyOtBmw7gXH8md0g55bgHS/h KQpMKzO2Aa8hFYgviThRXyO9gH19AgMBAAGjXzBdMB0GA1UdDgQWBBRQp8gbqwge J4LBm9EWq+AI6q/z7TA8BgNVHREENTAzggxpZHAubnUuYWMuYmSGI2h0dHBzOi8v aWRwLm51LmFjLmJkL2lkcC9zaGliYm9sZXRoMA0GCSqGSIb3DQEBCwUAA4IBgQAI 1I37VeO3PJ2Cudck5pQing7K5xFniFgEKj3rIQh1twwD491zy2XIGnsm1hikE+Ip QPkBoUUzeQX+/GR7Szhn4jYCtv2ivNNnF+mJ/lpUzQ3ELAfiUlWTQmeSwSMoJrdF VWCUR95H9jjtmpXiUliD1zxh6YFOwwUPDdvnhZszbz2HqhQCMn9LVRFpSQPnZOd3 LU9pyMtzaiEeYduL8dePym3ITSJC9csxeqnXVoMB2vloTT/8sG/rpHOTn1Z2q3gt sWir6V5OvnAU5sAfcTFnl+1g85k+BZjs93iVdQsTDu3kZzv5T2UsFpW5LEhlL688 1Lc2jMMgpxAKq+W2cgCOhZHU0GwFou8wq9cAht+R+RF6J/ahpA6XSgQyx4fWKzSL /QxrPXgL8sVh/4QLaotviKNwKKfg/WyQRNiL4biqUwnL9Ppin1Wt7KB6iIlrO96X qtZLOkXhBCY9Kqb+bATRed6Anv160xJNmnKQXa5UDchIKsPlpLMf3uTzRtCJ3cg= urn:mace:shibboleth:1.0:nameIdentifier urn:oasis:names:tc:SAML:2.0:nameid-format:transient National University Bangladesh National University Bangladesh https://www.nu.ac.bd