Search History Select to load keywords (type equals "Thesis") AND (author equals "Sakboworn Tumpeesuwan") AND (subject equals "บรรพชีวินวิทยา -- ไทย (ภาคตะวันออกเฉียงเหนือ)") (type equals "Thesis") AND (author equals "Sakboworn Tumpeesuwan") AND (dateIssued equals "2001")
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