. . "Samuel Certo Samuel C." . "Samuel Certo, Steven H. Appelbaum, Barbara Shapiro Samuel C. Certo quality ethics, and the global environment /" . . . "CERTO" . . "Samuel"@en . "Certo"@en . "Samuel C. CERTO" . . . "Certo Samuel C." . . "Samuel Certo" . "ซามูเอ็ล" . "ซามูเอ็ล ซี เซอร์โต" . . "Samuel C. Certo"@en . . "Sam" . "Sam Certo" . "Samuel" . . . "C."@en . "Certo"@fr-FR . . . "Certo, Samuel C. quality ethics, and the global environment /, Samuel Certo, Steven H. Appelbaum, Barbara Shapiro" . "เซอร์โต" . "Samuel C Certo"@en . . . . "ซี" . "C" .