Preller, S. J.
General science for standards VII and VIII : covering the new T.E.D. syllabus for differentiated secondary education / S.J. Preller, C. Hattingh, H.C. Bredell. - 1st ed. - Johannesburg : Voortrekkerpers, [1960] - 323 p. : ill. ; 21 cm.
General science for standards VII and VIII : covering the new T.E.D. syllabus for differentiated secondary education / S.J. Preller, C. Hattingh, H.C. Bredell. - 1st ed. - Johannesburg : Voortrekkerpers, [1960] - 323 p. : ill. ; 21 cm.