Schnell, D. S. A.
Lesse in wiskunde : st. 1 / D.S.A. Schnell, C.J.W. Schnell, B. Shapiro. - 1e uitg. - Johannesburg : Perskor, 1980. - 216 p. : ill.
0628019661 9780628019660
Mathematics--Study and teaching (Elementary)--South Africa.
Mathematics--Problems, exercises, etc.
510
Lesse in wiskunde : st. 1 / D.S.A. Schnell, C.J.W. Schnell, B. Shapiro. - 1e uitg. - Johannesburg : Perskor, 1980. - 216 p. : ill.
0628019661 9780628019660
Mathematics--Study and teaching (Elementary)--South Africa.
Mathematics--Problems, exercises, etc.
510