Van Staden, J.F. Studiegids in chemie / J.F. Van Staden. - Pretoria : Johannesburg : J.L. van Schaik Thorold's Africana Books [distributor], 1983. - 2 volumes ISBN: 0627013171 9780627013171 Deel 1 0627013163 9780627013164 Subjects--Topical Terms: Chemistry. Dewey Class. No.: 540