Development and validation of a self-administered questionnaire to estimate the distance and mode of children’s travel to school in urban India
| Main Authors: | , , , |
|---|---|
| Format: | Online |
| Language: | English |
| Published: |
BioMed Central
2015
|
| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4625478/ |