00571nam a2200193Ia 4500 0 0 0 0 RIEBPL RIEBPL 2019-07-10 0 372.31 Q25 51730 2019-07-10 00:00:00 BK 20537 20537 20191108095639.0 190710s9999 xx 000 0 und d 0-335-19576-8 eng 372.31 Q25 Qualter, Anne Differential primary science Buckingha : Open university press, 1996 193p. Exploring primary science and technology Illustrations Science - Study and teaching - Great Britain | Science - Teaching methods BK