Petchsirivej, S., Wanarattikan, P. and Akarachantachote , N. 2026. Effect of alkali surface treatments on mechanical and morphology of natural galangal fibers. Asia-Pacific Journal of Science and Technology. 31, 04 (Jul. 2026), APST–31. DOI:https://doi.org/10.22299/apst.2026.285957.