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Nofriyanto Pakolo, Sembiring M, Rauf A. Isolation And Test Potential Of Phosphate Solubilization Microorganisms On Andisols Sinabung Eruption Impact On Some Thickness Of Ash In Karo District. Petrop [Internet]. 2019Dec.3 [cited 2025Aug.4];5(3):328-39. Available from: https://idjpcr.usu.ac.id/jpt/article/view/3058