معاونت دیپلماسی اقتصادی وزارت امور خارجه جمهوری اسلامی ایران
https://www.thedailystar.net/opinion/views/news/how-make-roads-more-durable-bangladesh-3177291)
http://rhd.portal.gov.bd/sites/default/files/files/rhd.portal.gov.bd/page/8dde7a5d_251e_4ba4_bcd0_82746bb33478/Divisionwise_Length_Road_Classification_17Jul2018-1.pdf،
http://railway.portal.gov.bd/sites/default/files/files/railway.portal.gov.bd/page/d1822a88_93f5_4a75_a609_d645cb7a7235/2.%20Assessment%20%20of%20Current%20%20Situation.pdfُ،
https://en.wikipedia.org/wiki/List_of_countries_by_road_network_size
https://www.speedtest.net/global-index
https://data.worldbank.org/indicator/IT.NET.USER.ZS?locations=BD
https://data.worldbank.org/indicator/IT.MLT.MAIN?locations=BD
http://old.btrc.gov.bd/content/mobile-phone-subscribers
https://en.wikipedia.org/wiki/List_of_countries_by_vehicles_per_capita
https://www.ceicdata.com/en/bangladesh/motor-vehicle-registered/motor-vehicle-registered-bangladesh-total
https://data.worldbank.org/indicator/EG.ELC.ACCS.ZS?locations=BD
https://www.iea.org/countries/bangladesh