Estrella, Zenaida P. <br/><br/>
Spelling difficulties of grade six pupils of Catungan 3rd and 4th Elementary School for tthe school year 1999-2000 / 
Zenaida P. Estrella. 
 - 34 leaves ;  28 cm. 
<br/><br/> Thesis (BEED) - Polytechnic State College of Antique, 2000.