TY - BOOK TI - academic performance of grade one pupils of valderrama central school who have undergone pre-school during the school year 1998-1999 PY - 1999/// CY - Sibalom, Antique PB - Polytechnic State College of Antique N1 - Thesis(Education)-Polytechnic State College of Antique, 1999; Bibliography-leaves 27 ER -