Principles of marketing / Philip Kotler, Gary Armstrong, Marc Oliver Opresnik. Kotler, Philip. Armstrong, Gary. jt. aut. Opresnik, Marc Oliver. jt. aut. 658.8 KOP Glossary: p. 649 - 658. Includes bibliographical references and index. Harlow : Pearson Education, 2021. 2021. 2021 Text 728 p. : eng