Informal border trade between Bangladesh and India : a critical study / Syed Ejaz Ahsan. [PhD Thesis] Ahsan, Syed Ejaz. 381 AHI Thesis (PhD)--Department of Marketing, University of Dhaka, 2018 Includes bibliographical references. Dhaka : University of Dhaka, 2018. 2018. 2018 Text [2], xiv, 178 p. : eng