Academic performance of grade-i pupils who have undergone and have not undergone preschool education in the schools located at sibalom north district for school year 1999-2000 / 
Ailene B. Masulit. 
 - vii, 36 leaves,. 
<br/><br/> Thesis(Education)-Polytechnic State College of Antique, 2000.  Bibliography- leaves 30-31.