Lasimpala, I., Haluti, S. and Mustofa, M. 2026. Design and Performance Test of a Portable Rice Collector Machine Based on a Screw Conveyor Mechanism. JTPG (Jurnal Teknologi Pertanian Gorontalo). 11, 1 (Jun. 2026), 1-10. DOI:https://doi.org/10.30869/jtpg.v11i1.1621.