Kiatcharoenpol, T., Rattanapakdee , W. ., & Klongboonjit, S. . (2023). Lean Production for Reducing Wastes in Convex Lens Production Process . International Journal of Membrane Science and Technology, 10(2), 1023-1032. https://doi.org/10.15379/ijmst.v10i2.1408