Hindersah, R., V. O. Subarja, P. Suryatmana, R. Sudirja, A. Karuniawan, and Y. Hidayat. “Reducing Pb Accumulation in Roots of Sweet Potato under Low Lead-Contaminated Soil by Azotobacter Inoculation”. Journal of Degraded and Mining Lands Management, vol. 10, no. 2, Jan. 2023, pp. 4271-80, doi:10.15243/jdmlm.2023.102.4271.