Forte, L.T. <br/><br/>
First step to reading book 2 :   duet and trio sounds / 
L.T. Forte. 
 - Mandaluyong City :  National Book Store,  2006. 
 - 36 p.:   ill.  23 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9710866400 
<br/><br/><label>LC Class. No.: </label>372.4 F77d