Phuangpha Punha และ Sumana Neera; Panupon Hongpakdee. (2019) Influences of Ammonium Nitrate on Growth and Inulin Content of Jerusalem Artichoke (Helianthus tuberosus L.) in Vitro. <i>Naresuan University Journal: Science and Technology</i>, <i>27</i>(3), 73-81.Phuangpha Punha และ Sumana Neera; Panupon Hongpakdee. "Influences of Ammonium Nitrate on Growth and Inulin Content of Jerusalem Artichoke (Helianthus tuberosus L.) in Vitro". Naresuan University Journal: Science and Technology 27 (2019):73-81.Phuangpha Punha และ Sumana Neera; Panupon Hongpakdee. Influences of Ammonium Nitrate on Growth and Inulin Content of Jerusalem Artichoke (Helianthus tuberosus L.) in Vitro. Naresuan University Graduate School:ม.ป.ท. 2019.