Zulkarnain, Roni, and Syarif Agyssaid Alkadrie. “Promotional Strategy and Sales Performance: Evidence from Faith-Based Social Enterprise in Indonesia”. International Journal of Business and Innovation Management 1, no. 1 (April 24, 2026): 24–37. Accessed August 14, 2026. https://journal.unesa.ac.id/index.php/ijbim/article/view/52971.