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APA Citation
Sufardi, , Arabia, T., Khairullah, , Karnilawati, , & Nurnikmat, T. Z. (2019). distribution of Al, Fe, and Si oxides in three soil orders in dryland of Aceh Besar, Indonesia. IOP conference series, 393, . http://access.bl.uk/ark:/81055/vdc_100108531728.0x000031