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Showing 1 - 3 results of 3 for search '"Agricultural economic study ;"', 查詢時間: 0.05s Refine Results
  1. 1
    由 Sathasivampillai, K.
    出版 1973
    Peradeniya : Division of Agricultural Economics, Govt. Dept. of Agriculture, [1973?]
    63 p. ; 37 cm.
    “...Agricultural economics studies ;...”
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  2. 2
    由 Sivapatham, S.
    出版 1973
    Peradeniya, Sri Lanka : [Division of Agricultural Economics], Govt. Dept. of Agriculture, [pref. 1973]
    16 p. ; 35 cm.
    “...Agricultural economics studies ;...”
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  3. 3
    由 Sathasivampillai, K.
    出版 1974
    Peradeniya : Division of Agricultural Economics, Govt. Dept. of Agriculture, 1974.
    16 p. ; 35 cm.
    “...Agricultural economics studies ;...”
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