SANONGRAJ, Wipada, Research Center for Environmental and Hazardous Waste Management, Department of Chemical Engineering, Faculty of Engineering, Ubonratchathani University, Ubonratchathani 34190, Thailand
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Walailak Journal of Science and Technology (WJST) Vol. 3 No. 1 (2006) - Research Article
Study of Environmental Impacts Before and After Using the Organic-Chemical Fertilizer in Rice Paddy Fields
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