Search History Select to load keywords (dateIssued equals "[1968 TO 1999]") AND (subject equals "Factorization (Mathematics)") AND (dateIssued equals "[1990 TO 1999]") AND (dateIssued equals "1999") (author equals "วิเชฏฐ์ คนซื่อ") AND (author equals "มุกเรขา เชี่ยวชาญชัย") AND (author equals "ธฤษวรรณ ไตรจิตร์") AND (subject equals "Frogs -- Reproduction") AND (author equals "จิรารัช กิตนะ")
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