Díaz Berdecía, Nelson, <br/><br/>
The relationship between the degree of bilingualism and competence vs. performance of Puerto Rican children in the acquisition of conservation 
Nelson Díaz Berdecía. 
 - Philadelphia, Penn.  The Author  1982. 
 - 218 p.  ill. 
<br/><br/> Thesis (Ph.D.)--Temple University-Philadelphia. 
<br/><br/>Bibliography : p. 119-134. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Temple University--Dissertations.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Bilingual--Dissertations<br/>Educational tests and measurements--Dissertations<br/>Bilingualism--Dissertations
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Bilingualism--Dissertation.
<br/><br/><label>LC Class. No.: </label>HD4013