Dhingra, P., Sazawal, S., Menon, V. P., Dhingra, U., & Black, R. E. (2007). Validation of Visual Estimation of Portion Size Consumed as a Method for Estimating Food Intake by Young Indian Children. International Centre for Diarrhoeal Disease Research, Bangladesh.

Dhingra, Pratibha, Sunil Sazawal, Venugopal P. Menon, Usha Dhingra, and Robert E. Black. Validation of Visual Estimation of Portion Size Consumed As a Method for Estimating Food Intake By Young Indian Children. International Centre for Diarrhoeal Disease Research, Bangladesh, 2007.

Dhingra, Pratibha, et al. Validation of Visual Estimation of Portion Size Consumed As a Method for Estimating Food Intake By Young Indian Children. International Centre for Diarrhoeal Disease Research, Bangladesh, 2007.