Leenatham, N., Sudsomboon, W. ., Kaewkuekool, S. ., Kaewkuekool, S. ., & Pansrinual, W. . (2021). The Efficiency Improvement of STR 20 Block Rubber Production Process by Using Design of Experiments. Naresuan University Engineering Journal, 16(1), 119–139. https://doi.org/10.14456/nuej.2021.12