Sasikarn Panpraneecharoen และ Saowapa Chumanee. (2020) Optimization of the Oil Extraction, Study the Chemical and Physical Properties of Arabica Spent Coffee Grounds. <i>Science & Technology Asia</i>, <i>25</i>(4), 12-19.Sasikarn Panpraneecharoen และ Saowapa Chumanee. "Optimization of the Oil Extraction, Study the Chemical and Physical Properties of Arabica Spent Coffee Grounds". Science & Technology Asia 25 (2020):12-19.Sasikarn Panpraneecharoen และ Saowapa Chumanee. Optimization of the Oil Extraction, Study the Chemical and Physical Properties of Arabica Spent Coffee Grounds. กองบริหารการวิจัย:ม.ป.ท. 2020.