World Health Organization & ebrary, Inc. (2006). WHO child growth standards: Length/height-for-age, weight-for-age, weight-for-length, weight-for-height and body mass index-for-age : methods and development. World Health Organization.

World Health Organization and Inc ebrary. WHO Child Growth Standards: Length/height-for-age, Weight-for-age, Weight-for-length, Weight-for-height and Body Mass Index-for-age : Methods and Development. Geneva: World Health Organization, 2006.

World Health Organization and Inc ebrary. WHO Child Growth Standards: Length/height-for-age, Weight-for-age, Weight-for-length, Weight-for-height and Body Mass Index-for-age : Methods and Development. World Health Organization, 2006.