[1]
“Zeolite Utilization as a Catalyst and Nutrient Adsorbent of an Organic Fertilizer Process From Palm Oil Mill Effluent as Raw Material”, j Trop. Soils, vol. 18, no. 3, pp. 177–184, Sep. 2014, doi: 10.5400/jts.2013.v18i3.177-184.