Search History Select to load keywords (subject equals "Plant extracts") AND (subject equals "Agricultural and Biological Sciences") AND (subject equals "Green tea -- Leaves") AND (subject equals "Spent green tea leaves extract") (author equals "สุชนา ชวนิชย์") AND (subject equals "การอนุรักษ์แนวปะการัง") AND (author equals "ศานิต ปิยพัฒนากร") AND (subject equals "Coral reef conservation") AND (author equals "วรณพ วิยกาญจน์")
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