Winarni, M., and L. . Firmansyah. “Kajian Dosis Asam Humat Dan Konsentrasi Pupuk Hayati Plant Growth Promoting Rhizobacteria Terhadap Pertumbuhan Dan Hasil Padi (Oryza Sativa L.) : Study on the Dosage of Humic Acid and the Concentration of Biofertilizer Plant Growth-Promoting Rhizobacteria on the Growth and Yield of Rice (Oryza Sativa L.)”. JURNAL AGRI-TEK : Jurnal Penelitian Ilmu-Ilmu Eksakta, vol. 26, no. 2, Sept. 2025, pp. 73-81, doi:10.33319/agtek.v26i2.196.