Pornthep Keadtidumrongkul และ Nawannaporn Chirarat; Sophana Somran. (2018) Determination of LD50 of Ethidium Bromide for Induction of Mutation in Marigolds. <i>Naresuan University Journal: Science and Technology</i>, <i>26</i>(4), 80-88.Pornthep Keadtidumrongkul และ Nawannaporn Chirarat; Sophana Somran. "Determination of LD50 of Ethidium Bromide for Induction of Mutation in Marigolds". Naresuan University Journal: Science and Technology 26 (2018):80-88.Pornthep Keadtidumrongkul และ Nawannaporn Chirarat; Sophana Somran. Determination of LD50 of Ethidium Bromide for Induction of Mutation in Marigolds. Naresuan University Graduate School:ม.ป.ท. 2018.