TY - BOOK TI - 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 PY - 2000/// CY - Sibalom, Antique PB - Polytechnic State College of Antique N1 - Thesis(Education)-Polytechnic State College of Antique, 2000; Bibliography- leaves 30-31 ER -