Supawadee Daodee และผู้แต่งคนอื่นๆ. (2011) Application of HPLC Method for Determination of Caffeine in Diet 3 in 1 Instant Coffee Products Commercially Sold in KhonKaen Province. <i>Isan Journal ofPharmaceutical Sciences</i>, <i>7</i>(3), 23-29.Supawadee Daodee และผู้แต่งคนอื่นๆ. "Application of HPLC Method for Determination of Caffeine in Diet 3 in 1 Instant Coffee Products Commercially Sold in KhonKaen Province". Isan Journal ofPharmaceutical Sciences 7 (2011):23-29.Supawadee Daodee และผู้แต่งคนอื่นๆ. Application of HPLC Method for Determination of Caffeine in Diet 3 in 1 Instant Coffee Products Commercially Sold in KhonKaen Province. Faculty of Pharmaceutical Sciences KKU MSU UBU:ม.ป.ท. 2011.