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080210s1969 xx a r |000 u|eng d |
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|a (iLib)UPD-00000249434
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|a DML
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|a eng
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|a DMLUC
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|a LG 995 1969 A14
|b A49
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|a Alviar, Nelly (Guevarra)
|d 1935-
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245 |
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|a An economic comparison between tractor-operated and carabao-cultivated rice farms
|c Nelly (Guevarra) Alviar.
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264 |
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|c 1969.
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300 |
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|a 113 leaves
|b ill.
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|a Thesis (M.S. Agricultural Economics)--University of the Philippines, Los Banos.
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650 |
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|a Tillage.
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|a Rice
|x Implements and machinery.
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842 |
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|a Thesis
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|a FI
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|a UP
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|a UPD
|b DARCHIVES
|h LG 995 1969 A14 A49
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942 |
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|a Thesis
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