Clasification and categorization: a difference that makes a difference Elin K. Jacob
 Artikel Jurnal
Burrell, R.E.C.
Food from the fields: the story of farming / R.E.C. Burrell
Wheaton , 1980
 Buku Teks
Ika Darnhofer, editor
Farming systems research into the 21st century : the new dynamic
[, Springer], 2012
 eBooks
Food security, gender and resilience : improving smallholder and subsistence farming
Leigh Brownhill, Esther M. Njuguna, Kimberly L. Bothi, Bernard Pelletier, Lutta W. Muhammad and Gordon M. Hickey.
Routledge, 2016
 Buku Teks
Hatch, Mark, author
The maker movement manifesto: rules for innovation in the new world of crafters, hackers, and tinkerers
McGraw-Hill , 2014
 Buku Teks
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