Mendoza, Sonny A. <br/><br/>
Mga bugtong tulong sa mag-aaral :  elementarya, High school, kolehiyo / 
Sonny A. Mendoza. 
 - Quezon City :  [s.n.],  c1997. 
 - 98 p. : ill. 
<br/><br/><label>ISBN: </label>9715991610 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Riddles, Philippines