Sukron J, Nani. Pengaruh Beban Promosi terhadap Laba Operasional Bank Syariah Indonesia. JEBI [Internet]. 2024Jul.10 [cited 2026Sep.9];9(1):54-63. Available from: https://www.tsarwah.muamalatuna.or.id/index.php/tsarwah/article/view/11067