VONGSETSKUL, S.V., THEPTHONG, W., KANYAWILAS, S., CHANLEK, N., CHAROENWATTANASATIEN, R., BUSAYAPORN, W. and VONGSETSKUL, T. 2026. Zinc oxide functionalized biochar from rambutan wood as a novel material to utilize an agricultural waste in Thailand. Journal of Metals, Materials and Minerals. 36, 2 (May 2026), e2410. DOI:https://doi.org/10.55713/jmmm.v36i2.2410.