Woraphimrat, N., Lertsiri, S., Maneewarn, T., Tongdeelert, P. and Lodthonglang, K. 2026. The Use of Agricultural Automation Services of Oil Palm Farmers in Na Cha Luai District Ubon Ratchathani Province. SciTech Research Journal. 9, 2 (Aug. 2026), 127–144.