Schwartz, Randal L. <br/><br/>
Learning perl : making easy things easy and hard things possible / 
Schwartz, Randal L. 
 - 7th ed. 
 - Beijing :  OˇReilly,  2016. 
 - xix, 369p.; 24 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9789352135950 
<br/><br/><label>Dewey Class. No.: </label>005.133 SCH