000 00308nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _aJ507 ROW
100 _aROWLANDS , D
245 0 _aProblem -solving in primary science and technology;teacher's guide
260 _aLondon
_bHUTCHINSON
_c1989
942 _cJNF
999 _c328446
_d328446