The principles of objective testing in chemistry /
Campbell, Colin V. T.,
The principles of objective testing in chemistry / Colin V. T. Campbell, W. J. Milne. - London : Heinemann Educational Books, 1972. - 96 pages ; 23 cm.
0435645757
Chemistry--Problems, exercises, etc.
The principles of objective testing in chemistry / Colin V. T. Campbell, W. J. Milne. - London : Heinemann Educational Books, 1972. - 96 pages ; 23 cm.
0435645757
Chemistry--Problems, exercises, etc.
