TY  - BOOK
AU  - Umeh,Joseph Chinedu
AU  - Asogwa,Benjamin Chijioke
AU  - Ater,Peter Iornum
TI  - Production economics: some analytical perspective 
SN  - 9789788436218
AV  - HB241 .B43 1985
PY  - 2021///
CY  - Enugu, Nigeria
PB  - El DEMAK (Publishers)
KW  - Production (Economic theory)
ER  -