Janssens R, Lang T, Vallejo A, Galinsky J, Morgan K, Plate A, De Ronne C, Verschueren M, Schoefs E, Vanhellemont A, Delforge M, Schjesvold F, Cabezudo E, Vandebroek M, Stevens H, Simoens S, Huys I. What matters most to patients with multiple myeloma? a Pan-European patient preference study. Front Oncol. 2022 Nov 29;12:1027353. doi: 10.3389/fonc.2022.1027353
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