Narong Kotchabhakdi. (2022) Simple coating of zinc powder on foam tape based on a downscaling procedure for nitrate determination in vegetable samples. <i>Journal of Current Science and Technology</i>, <i>12</i>(1), 52-60.Narong Kotchabhakdi. "Simple coating of zinc powder on foam tape based on a downscaling procedure for nitrate determination in vegetable samples". Journal of Current Science and Technology 12 (2022):52-60.Narong Kotchabhakdi. Simple coating of zinc powder on foam tape based on a downscaling procedure for nitrate determination in vegetable samples. Rangsit University:ม.ป.ท. 2022.