TY  - BOOK
AU  - Spencer,Norman.
TI  - A Textbook of costing principles
T2  - Heinemann business education series
SN  -  
AV  - HF5686.C8.S6 1986 
PY  - 1986///
CY  - Nairobi
PB  - Heinemann Kenya LTD
KW  - Costig terminology
ER  -