Darma, D., Reniana, R., Situngkir, R. U., & Solissa, A. T. (2026). Development and Performance Test of Vertical Stirrer Rotary Blade Type of Sago Starch Extraction Machine Powered by Gasoline Engine. Jurnal Natural, 22(1), 27 - 38. https://doi.org/10.30862/jn.v22i1.309