R J Nainggolan is an author at Universitas Sumatera Utara specializing in agricultural economics, engineering, and plant nutrition.
Top concepts
BotanyHealthNutritionEngineeringFood QualityFood ChemistryPlant NutritionAgricultural Economics
Publications per year
2020–2020
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Albert Sembiring, Mimi Nurminah, R J Nainggolan · IOP Conference Series Earth and Environmental Science · 2020 · 13 citations · Full text
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