Torregrosa de Torres, Doris. <br/><br/>
The key to paragraph organization ;  main ideas and outlining / 
Doris Torregrosa de Torres. 
 - Río Piedras, P.R. :  Editorial de la Universidad de Puerto Rico,  1977. 
 - 114 p. 
<br/><br/><label>ISBN: </label>0847733394 (pbk.) 
<br/><br/><label>LCCN: </label>83001078 //r87 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.<br/>Readers
<br/><br/><label>LC Class. No.: </label>PE1128  / .T67 1977 
<br/><br/><label>Dewey Class. No.: </label>428.4/2