Sorum, Clarence Harvey, 1899- How to solve general chemistry problems / by C. H. Sorum. - 2nd ed. - [Englewood Cliffs, N.J.] : Prentice-Hall, 1961. - viii, 184 p. - Prentice-Hall chemistry series . Subjects--Topical Terms: Química--Problemas, questões, exercícios. Dewey Class. No.: 540