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    Extension activities for peanuts after rice in Ban Sum Jan, northeast Thailand a case study in farmer-to-farmer extension methodology по Jintrawet, Attachai, Smutkupt, Suriya, Wongsamun, Chaicharn, Katawetin, Roengsak, Kerdsuk, Vichein

    Опубликовано 1985
    ‌

    Extension activities for peanuts after rice in Ban Sum Jan, northeast Thailand a case study in farmer-to-farmer extension methodology

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