Allan, Eric.
Higher grade chemistry / Eric Allan and John Harris. - London : Hodder & Stoughton, 1991. - vii, 182 p. : ill.
0340549181
92034363
Chemistry--Study and teaching (Higher).
Higher grade chemistry / Eric Allan and John Harris. - London : Hodder & Stoughton, 1991. - vii, 182 p. : ill.
0340549181
92034363
Chemistry--Study and teaching (Higher).