Senda, Semuel Pati, Renanto Handogo, Achmad Roesyadi, and Wahono Sumaryono. “Mixing Urea and Zeolite for Slow Release Fertilizer Using Orbiting Screw Mixer”. IPTEK The Journal for Technology and Science 20, no. 4 (July 1, 2025): 148–154. Accessed January 30, 2026. https://journal.its.ac.id/index.php/jts/article/view/5874.