Lubis, Deni, 		Pranayutantri, Olga, AND 		Muthohharoh, Marhamah.
" The effect of mergers, BOPO, NPF, growth, and the BI rate on murabahah margin income in Islamic mortgage products at Bank Syariah Indonesia" <em>International Journal of Islamic Economics</em> [Online], Volume 5 Number 01 (9 July 2023)