M. I. Fasa, A. Fachri, G. U. Saefurrohman, A. H. Syarif, and S. Suharto, “ECONOMIC PROTECTION TOWARD FINANCIAL MANAGEMENT HAJJ FUNDS: INDONESIAN CASE”, ad. j. e. b. islm., vol. 4, no. 02, pp. 163–173, Sep. 2020.