Sadio, Tusdy. <br/><br/>
Class performance among grade one pupils who have undergone preschool in Bariri Elementary School (SY 1998-1999) / 
by Tusdy Sadio. 
 - vi, 37 leaves ;  28 cm. 
<br/><br/> Thesis (BEED) - Polytechnic State College of Antique, 2000.