Search History Select to load keywords (dateIssued equals "[2500 TO 2565]") AND (dateIssued equals "[2550 TO 2559]") AND (dateIssued equals "2559") AND (subject equals "Environmental Science") (author equals "Amornrat Saithongdee") AND (subject equals "Optical detectors") AND (subject equals "รงควัตถุ") AND (subject equals "Pigments")
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