Sarma, Prakash Ecological basis of the economy of periodic markets in Barpeta district, Assam - NEHU - Shillong Dept. of Geography, NEHU 2007 - vii,265p.:col.maps; 25cm. Subjects--Topical Terms: Market,rural--Ecological aspects--Assam(India)--Research Retail trade--Ecological aspects--Assam(India)--Research Dewey Class. No.: DS / 658.840954163 SAR