Maitra B, Dandapat S, Chintakayala P. Differences between the perceptions of captive and choice riders toward bus service attributes and the need for segmentation of bus services in urban India. J Urban Plan Dev. 2015 Jun;141(2).
Chintakayala PK, Maitra B. Modeling generalized cost of travel and its application for improvement of taxies in Kolkata. J Urban Plan Dev. 2010 Mar;136(1).
Garcia-Esteve L, Navarro P, Ascaso C, Torres A, Aguado J, Gelabert E, Martin-Santos R. Family caregiver role and premenstrual syndrome as associated factors for postnatal depression. Arch Womens Ment Health. 2008 Jul;11(3):193-200.