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: <>. Date accessed: 08 aug. 2020.