Jintasaeranee, P., Gunbua, V., Thaipichitburapa, V., Suriyaphan, J. and Buranapratheprat, A. 2023. Seasonal Variation of Dissolved Inorganic Nitrogen in Bangpakong Watersheds in 2016. Recent Science and Technology. 15, 2 (Aug. 2023), 321–331.