Search History Select to load keywords (author equals "วรณพ วิยกาญจน์") AND (subject equals "การอนุรักษ์แนวปะการัง") AND (subject equals "Coral reef conservation") AND (subject equals "Corals -- Thailand -- Samae San (Chon Buri)") AND (subject equals "ปะการัง -- ไทย -- เกาะแสมสาร (ชลบุรี)") (dateIssued equals "[2500 TO 2565]") AND (dateIssued equals "[2550 TO 2559]") AND (subject equals "ตัวเร่งปฏิกิริยา") AND (dateIssued equals "2552")
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