Keadtidumrongkul, Pornthep, 		Chirarat, Nawannaporn, AND 		Somran, Sophana.
" Determination of LD50 of Ethidium Bromide for Induction of Mutation in Marigolds" <em>Naresuan University Journal: Science and Technology (NUJST)</em> [Online], Volume 26 Number 4 (15 November 2018)