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Sari K, Supriadi, Siregar AZ, Sibarani MJ. Survey and Mapping of P Nutrient Status on Paddy Land in Aek Simare Irrigation Area, Laguboti District, Toba Samosir Regency, Northern of Sumatera, Indonesia. Petrop [Internet]. 2020Apr.4 [cited 2024May4];7(1):25-31. Available from: https://talenta.usu.ac.id/jpt/article/view/3821