Muhammad Ashraf, editor
Crop production for agricultural improvement
[, Springer], 2012
 eBooks
Poate, C.D.
Estimating crop production in development projects : methods and their limitations / C.D. Poate, Dennis J. Casley
The World Bank , 1985
 Buku Teks
Smith, Harris P. (Harris Pearson)
Mesin dan peralatan usaha tani = Farm machinery and equipment
Gadjah Mada University Press, 1990
 Buku Teks
Crop science and food production
by Douglas D. Bishop ... [et al.]
McGraw-Hill, 1983
 Buku Teks
Stapley, J.H.
World crop protection; Volume 1: pests and diseases
CRC Press, 1969
 Buku Teks