1.
Unpikul B, Khanapang T, Pachsila P, Auipako W, Junlabuddee P. Design and Development of a Semi-Automatic Robusta Coffee Bean Sorting Machine with Optimal Operating Conditions Determined by Response Surface Methodology. IENJ [internet]. 2026 Jun. 30 [cited 2026 Sep. 11];12(1). available from: https://ph02.tci-thaijo.org/index.php/ienj/article/view/265032