Torres Zayas, José A. <br/><br/>
Social change in a Puerto Rican rural community  a study on sociological ambivalence. 

 - Río Piedras, P. R.  University of Puerto Rico, College of Social Sciences  1963. 
 - vi, 160 [14] p.  ill. 
<br/><br/> "The research reported on here was part of the project "Family life of working mothers, directed by Howard R. Stanton..."