Cite
APA Citation
Tetali, S., Edwards, P., Murthy, G., & Roberts, I. (2015). development and validation of a self-administered questionnaire to estimate the distance and mode of children's travel to school in urban India. BMC medical research methodology, 15(1), 1–7. http://access.bl.uk/ark:/81055/vdc_100080313115.0x0001c2