Items where Author is "Usman, Usman"
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Conference or Workshop Item
Ritonga, Emi Sari and Usman, Usman and Nurhayati, Nurhayati and Jahari, Marsid and Istina, Ida Nur (2020) Soybeans ( Glycine max (L.) Merill ) Variety Tolerance Under Young Oil Palm Shadding. In: Proceedings The 4th International Conference on Green Agro-Industry, 22-23 Oktober 2019, Grand Inna Malioboro.