INTRARASAKSIT, PISIT VATANASOMBOON AND KRAICHAT TANTRAKARNAPA, Suthep Silapanuntakul, Prat. Uptake of Copper and Zinc in Lettuce (Lactuca sativa L.) Planted in Sida Soil and Lignite Bottom Ash Mixtures. Naresuan University Journal: Science and Technology (NUJST), [S.l.], v. 25, n. 3, p. 31-42, july 2017. ISSN 2539-553X. Available at: <http://www.journal.nu.ac.th/NUJST/article/view/1893>. Date accessed: 14 nov. 2019.