Setyorini, W., Jannah, A.R., Wulansari, U. and Nisa, M. 2021. Opportunities and challenges halal marketplace in Indonesia. Journal of Halal Product and Research (JHPR). 4, 2 (Dec. 2021), 90–97. DOI:https://doi.org/10.20473/jhpr.vol.4-issue.2.90-97.