Rugtrakul S. Utilization of Palm-oil as Substitute for Diesel . Thai Agric.Res.J. [internet]. 1985 Jan. 1 [cited 2026 Oct. 1];3(1):48-52. available from: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/245237