00525nam a2200145Ia 4500008004100000020001800041040001500059082002400074100002100098245006400119260016400183300001200347942000700359999001300366231128s9999    xx            000 0 und d  a971-135-074-2  aPHSAcPHSA  aFIL 362.29 M27 1988  aMagno, Marcelita 0aDangerous drugs:ba resource book for teachers and students  aQuezon City, PhilippinesbInstitute for Science and Mathematics Education Development;  Pundasyon sa pagpapaunlad ng kaalaman sa pagtuturo ng agham, ink.c1988  a164  p.  cBK  c547d547