Uchhatar madhyamik banijyik patiganit aru prathamik parishankhya vigyan - Mishra,Arabinda Deb; Hazarika,Padmalochan (Guwahati: Assam book depot, 1998)
Keywords: Commerce; Uchhatar madhyamik banijyik patiganit aru prathamik parishankhya vigyan