Hartatik, W.; Idris, K.; Sabiham, S.; Djuniwati, S.; Adiningsih, J. S. Increasing P Retention in the Peat Column Amended With Mineral Soil and Some Rock Phosphates. J. Il. Tan. Lingk. 2004, 6 (1), 22-30. https://doi.org/10.29244/jitl.6.1.22-30.