Barik R, Jain S, Joshi A, Qwatra D, Tripathi GS, Goyal R. Antidiabetic activity of aqueous root extract of ichnocarpus frutescens in streptozotocin-nicotinamide induced type-II diabetes in rats. Indian J Pharmacol. 2008 Jan;40(1):19-22. doi: 10.4103/0253-7613.40484
Phanikumar CV, Maitra B. Valuing urban bus attributes: an experience in Kolkata. J Public Transport. 2006;9(2):69-87. doi: 10.5038/2375-0901.9.2.4
Phani Kumar CV, Basu D, Maitra B. Modeling generalized cost of travel for rural bus users: a case study. J Public Transport. 2004;7(2):59-72. doi: 10.5038/2375-0901.7.2.4