Majid, Zahroh, Oedjijono Oedjijono, Taruna Dwi Satwika, & Afifah Mariana. " THE ABILITY OF PGPR ISOLATES FROM IRON SAND SOIL TO PRODUCE EXOPOLYSACCHARIDES IN ATCC NO. 14 MEDIUM WITH DIFFERENT CARBON SOURCES." Proceeding ICMA-SURE [Online], (2025): 464-473. Web. 5 Sep. 2026