TY  - BOOK
ED  - Wiley International Editions
ED  - Wiley International Editions 
TI  - 1990 wiley international edition: : low-cost paperbound wiley textbooks
U1  - 371.32 23
PY  - 1990///
CY  - Singapura : 
PB  - John Wiley , 
KW  - Textbooks-teaching methods
ER  -