Class performance of grade one pupils of Sibalom Central School who have undergone preschool (SY 1998-1999) 
Popelo, Maria Teresa. 
 -  Polytechnic State College of Antique.  1999 
 - vii, 50 leaves 
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<br/><br/><label>Dewey Class. No.: </label>TH 371.33 P75c 1999