2Key stage 3Science Petheram,Louise creator Routledge, Phil Auther Ryan, Lawrie Auther text Unitedkingdom Nelson Thornes 2003 monographic 198 Pages : Iiiustration ; 26 cm. Louise Petheram, Phil Routledge, Lawrie Ryan Great Britain Problems and exercises Science Study and teaching Great Britain Problems, exercises 500 PLA 9780748767953 Napata-Lib 20220906090408.0