Zulkepli, M.I.S. et al. 2018. Isu Syariah dalam Jual Beli Tiket Penerbangan atas Talian: Analisis Perspektif Gharar. International Journal of Islamic Business. 3, 2 (Dec. 2018), 1–14. DOI:https://doi.org/10.32890/ijib2018.3.2.1.