Wolfe, T. K.
Production of field crops / T.K. Wolfe
McGraw-Hill, 1959
Buku Teks SO
Kalshoven, L.G.E.
Pest of crops in indonesia
Ichtiar Baru - Van Hoeve, 1981
Buku Teks SO
Firewood crops: shrub and tree species for energy production
[;, ]
National Academy of Sciences, 1980
Buku Teks SO
Pesticide residues on food crops and vegetables in indonesia
Artikel Jurnal
Pesticide residues on food crops and vegetables in indonesia
Artikel Jurnal