Izza, Nadia Nurul, and Aam Slamet Rusydiana. “A Qualitative Review on Halal Food: NVivo Approach”. Proceedings of Femfest International Conference on Economics, Management, and Business 1 (March 1, 2023): 90–106. Accessed December 6, 2025. https://ejournal.unida.gontor.ac.id/index.php/FICCOMSS/article/view/10856.