Harnetty, Peter
Crop trends in the central provinces of India 1861-1921
[T.t.] [T.p.] [T.th.]
 Buku Teks
Delorit, Richard J.
Crop production
Prentice-Hall, 1967
 Buku Teks SO
Crop science and food production
by Douglas D. Bishop ... [et al.]
McGraw-Hill, 1983
 Buku Teks SO
Fordham, R
Priciples of vegetables crop production
Collins, 1985
 Buku Teks SO
Trees as a farm crop
by E.G. Richards ... [and others]
BSP Professional Books, 1988
 Buku Teks SO