Browsing by Author "Gornniga Theinmeewattana"
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Item Metadata only Soil proterties study comparison of para rubber plantation in upland and lowland : a case study of Panom Dongrak district, Surin province(Mahidol University. Mahidol University Library and Knowledge Center, 2008) Gornniga Theinmeewattana; Parkorn Suwanich