Mock, Gloria. <br/><br/>
Sexualidad  sus conceptos básicos 
Gloria Mock, Wilfred Martínez. 
 - 2. ed. 
 - San Juan, P.R.  Editorial Cultural  1999. 
 - 272 p.  ill.  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex instruction<br/>Safe sex in AIDS prevention.<br/>Hygiene, Sexual