Nur Aisyah Indarningsih, & Siregar, S. W. (2023). Halal labelization, word of mouth and halal awareness on purchase decisions of pharmaceutical products (case study of Yogyakarta muslim students) . Journal of Halal Product and Research (JHPR), 6(1), 11–21. https://doi.org/10.20473/jhpr.vol.6-issue.1.11-21