"Bangladesh Postal Code". Dhaka: Bangladesh Postal Department under the Department of Posts and Telecommunications of the Ministry of Posts, Telecommunications and Information Technology of the People's Republic of Bangladesh. 20 October 2024.
netrokonasadar.netrokona.gov.bd
"উপজেলার ঐতিহ্য" [Sub District's Tradition]. Netrokona Shodor Upozela (in Bengali).