Browsing Skripsi Sarjana by Keyword "Usaha ternak"
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Analisis Produksi dan Pendapatan Usaha Ternak Cacing Tanah (Lumbricus rubellus) (Kasus : Kecamatan Percut Sei Tuan, Kabupaten Deli Serdang)
(Universitas Sumatera Utara, 2020)Earthworm livestock business is a household activity of breeders in the form of maintenance of earthworms with the aim of production in the form of worm weight gain and worm propagation in one maintenance period for ...