Production economics :
Umeh, Joseph Chinedu,
Production economics : some analytical perspective / Joseph Chinedu Umeh, Benjamin Chijioke Asogwa, and Peter Iormum Ater. - 2nd ed. - Enugu, Nigeria : El DEMAK (Publishers), c2021. - xiv, 225 p. : ill. ;
9789788436218
Production (Economic theory)
HB241 / .B43 1985
Production economics : some analytical perspective / Joseph Chinedu Umeh, Benjamin Chijioke Asogwa, and Peter Iormum Ater. - 2nd ed. - Enugu, Nigeria : El DEMAK (Publishers), c2021. - xiv, 225 p. : ill. ;
9789788436218
Production (Economic theory)
HB241 / .B43 1985