Montree Wongsiriwittaya และ Wacharakron Jaitong. (2023) IMPROVEMENT OF USED ENGINE OIL PROPERTIES BY FAST PYROLYSIS IN FREE-FALL REACTOR. <i>Life Sciences and Environment Journal</i>, <i>24</i>(2), 482-493.Montree Wongsiriwittaya และ Wacharakron Jaitong. "IMPROVEMENT OF USED ENGINE OIL PROPERTIES BY FAST PYROLYSIS IN FREE-FALL REACTOR". Life Sciences and Environment Journal 24 (2023):482-493.Montree Wongsiriwittaya และ Wacharakron Jaitong. IMPROVEMENT OF USED ENGINE OIL PROPERTIES BY FAST PYROLYSIS IN FREE-FALL REACTOR. Pibulsongkram Rajabhat University:ม.ป.ท. 2023.