I. R. D. Koyoh, “Evaluasi Konduktivitas Listrik Tanah dan Kaitannya dengan Ph, Nitrogen Total, Karbon Total dan Bahan Organik di Lahan Sawah: Evaluation of Soil Electrical Conductivity and Its Relationship with pH, Total Nitrogen, Total Carbon, and Organic Matter in Rice Field Land”, JBETA, vol. 13, no. 2, pp. 258–266, Jul. 2025.