(2009). WHO child growth standards : growth velocity based on weight, length and head circumference: Methods and development. World Health Organization.
Chicago-viite (17. p.)WHO Child Growth Standards : Growth Velocity Based on Weight, Length and Head Circumference: Methods and Development. Geneva,Switzerland: World Health Organization, 2009.
MLA-viite (9. p.)WHO Child Growth Standards : Growth Velocity Based on Weight, Length and Head Circumference: Methods and Development. World Health Organization, 2009.
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