Mahmud, k. H. 1. -. (2013). Introductory GIS. Nabarun Pub..
Chicago Style (17th ed.) CitationMahmud, khandakar Hasan 1983 -. Introductory GIS. Dhaka: Nabarun Pub., 2013.
MLA (9th ed.) CitationMahmud, khandakar Hasan 1983 -. Introductory GIS. Nabarun Pub., 2013.
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