Satria Avianda Nurcahyo (2023) “The Concept of Management of the Heart (Qalbu) in the style of the Prophet Muhammad SAW in Business Ethics”, Inisiatif: Jurnal Ekonomi, Akuntansi dan Manajemen, 2(2), pp. 312–322. doi: 10.30640/inisiatif.v2i2.1516.