HIDAYAT ABDULLAH, E. THE ROLE OF ECONOMIC EFFICIENCY AND BUSINESS STRATEGY TO ACHIEVE COMPETITIVE ADVANTAGE: Received: 25th September 2023; Revised: 09th October 2023, 02nd November 2023; Accepted: 30th November 2023. PEOPLE: International Journal of Social Sciences, [S. l.], v. 10, n. 1, p. 27–41, 2024. DOI: 10.20319/pijss.2024.101.2741. Disponível em: http://grdspublishing.org/index.php/people/article/view/2332. Acesso em: 17 may. 2024.