Seorang petani menunjukkan perbandingan jagung biasa dengan jagung SPIB Pollimation, Demak, 28 Oktober 1957

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A farmer showing comparison between ordinary corn with corn SPIB Pollimation, Demak, October 28, 1957

Seorang petani wanita sedang memanen jagung hasil dengan Sistem PIB Pollimation, Demak, 28 Oktober 1957

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A woman farmer harvesting the corn with the system PIB Pollimation, Demak, October 28, 1957