Sining sa pagbigkas mga tula, balagtasan, at talumpati 
Nem Singh, Alfredo C. 
 -  National, Book Store.  2005 
 - ix, 192 p. 
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<br/><br/><label>ISBN: </label>9-71086591-9 
<br/><br/><label>Dewey Class. No.: </label>F 899.211 N34s 2005