General survey of the secondary school system of Puerto Rico 
conductor under the direction of Pedro A. Cebollero. 
 - San Juan, P. R.  n.d. 
 - 58 [4] p.  tables. 
<br/><br/>Bibliography :p. 60-62. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School management and organization--Puerto Rico.<br/>Education, Secondary
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico