Search History Select to load keywords (dateIssued equals "[2500 TO 2565]") AND (dateIssued equals "[2540 TO 2549]") AND (subject equals "ถ่านหิน") AND (subject equals "Automobiles -- Tires -- Recycling") AND (subject equals "ลิกไนต์") AND (subject equals "Lignite") (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2520 TO 2529]") AND (subject equals "การสอน") AND (subject equals "Elementary school teachers")
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