00321nam a2200085 a 450000500170000000800410001705000210005810000300007924501260010920140408090009.0030602s19uu    xx            00    eng d  aPGS '98bMAC #20  aMacalintal, Victor Roy G.  aPerceptions of the grade six-A students on the role of teachers in their academic performance in mathematics and science.