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).
Dalley C, Basarir H, Wright JG, Fernando M, Pearson D, Ward SE, Thokula P, Krishnankutty A, Wilson G, Dalton A, Talley P, Barnett D, Hughes D, Porter NR, Reilly JT, Snowden JA. Specialist integrated haematological malignancy diagnostic services: an Activity Based Cost (ABC) analysis of a networked laboratory service model. J Clin Pathol. 2015 Apr;68(4):292-300. doi: 10.1136/jclinpath-2014-202624
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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).