Surattana Settacharnwit. (2560) Effects of Zingiber officinale Roscoe. extracts in growth media on nitrate and phosphate removals for growths and accumulations by Ipomoea aquatica Forsk. <i>Journal of Thai Interdisciplinary Research</i>, <i>Vol.12</i>(No.6), 55.Surattana Settacharnwit. "Effects of Zingiber officinale Roscoe. extracts in growth media on nitrate and phosphate removals for growths and accumulations by Ipomoea aquatica Forsk". Journal of Thai Interdisciplinary Research Vol.12 (2560):55.Surattana Settacharnwit. Effects of Zingiber officinale Roscoe. extracts in growth media on nitrate and phosphate removals for growths and accumulations by Ipomoea aquatica Forsk. Nakhon Pathom Rajabhat University:ม.ป.ท. 2560.