Yande SD, Masurkar PP, Gopinathan S, S Sansgiry S. A naturalistic observation study of medication counseling practices at retail chain pharmacies. Pharm Pract (Granada). 2020 Jan;18(1):1696. doi: 10.18549/PharmPract.2020.1.1696
Whittington D, Sur D, Cook J, Chatterjee S, Maskery B, Lahiri M, Poulos C, Boral S, Nyamete A, Deen J, Ochiai L, Bhattacharya SK. Rethinking cholera and typhoid vaccination policies for the poor: private demand in Kolkata, India. World Dev. 2009 Feb 1;37(2):399-409.
Phanikumar CV, Maitra B. Willingness-to-pay and preference heterogeneity for rural bus attributes. J Transp Eng A-Syst. 2007 Jan;133(1).