Aris Slamet Widodo Program Studi Agribisnis Fakultas Pertanian UMY

1 1 VALUASI IRIGASI USAHATANI PADI DAERAH HULU DAN HILIR DI DAERAH ISTIMEWA YOGYAKARTA Valuation Irrigation of Rice Farming at Upstream and Downstream...
Author:  Surya Iskandar

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