Goodenough-harris test estimates of intellectual maturity of youths 12-17 years :  demographic and socioeconomic factors / 
US Department of Health, Education, and Welfare 
 - Maryland :  US Department of Health, Education, and Welfare  1977. 
 - 43 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Harris test--Youths