The role of efficiency research in the improvement of estate management
Penny, David Harry.
The role of efficiency research in the improvement of estate management by D.H. Penny and S.B. Simandjuntak. - [Medan? 1962?] - 16 p. 33 cm.
At head of title: Planters Conference, 1962. Cover.
sa 68019457
Farm management.
Agriculture--Economic aspects--Research.
S561 / .P38
The role of efficiency research in the improvement of estate management by D.H. Penny and S.B. Simandjuntak. - [Medan? 1962?] - 16 p. 33 cm.
At head of title: Planters Conference, 1962. Cover.
sa 68019457
Farm management.
Agriculture--Economic aspects--Research.
S561 / .P38