Davie, Ronald <br/><br/>
From birth to seven :  the second report of the national child development study (1958 Cohort) with full statistical appendix / 
R. Davie, N. Butler, H. Goldstein ; National Children's Bureau. 
 - London :  Longman,  1972. 
 - 586 p. 
 - Studies in child development .
<br/><br/><label>ISBN: </label>0-582-32494-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Վիճակագրություն