Items where Author is "Samosir, Osten M"
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Monograph
Sinaga, Asmina Herawaty and Samosir, Osten M (2019) Tingkat Efisiensi Usaha Tani Jeruk Manis (Citrus Sp). Other. USU Press.
Sinaga, Asmina Herawaty and Samosir, Osten M (2019) Tingkat Efisiensi Usaha Tani Jeruk Manis (Citrus Sp). Other. USU Press.