TY  - BOOK
AU  - Botha,E.H.C.
AU  - Schultz,FrW.
TI  - Bemeester biologie: hersieningsoefeninge vir st.9 en 10 
SN  - 0628020724
PY  - 1981///
CY  - Johannesburg
PB  - Perskor
KW  - Biology
KW  - Study and teaching (Secondary)
KW  - South Africa
KW  - Problems, exercises, etc
KW  - fast
ER  -