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Irb Kheoruenromne and others. 1999. Properties and fertility capability of sandy soils. Bangkok:Faculty of Agriculture Kasetsart University;
Irb Kheoruenromne and others. (1999) Properties and fertility capability of sandy soils. Faculty of Agriculture Kasetsart University:Bangkok.
Irb Kheoruenromne and others. Properties and fertility capability of sandy soils. Bangkok:Faculty of Agriculture Kasetsart University, 1999. Print.
Irb Kheoruenromne and others. (1999) Properties and fertility capability of sandy soils. Faculty of Agriculture Kasetsart University:Bangkok.