Hamzah, N. H. “THE SOURCES OF WRITING BUSTAN AL-SALATIN BY NUR AL-DIN AL-RANIRI: A STUDY BASED ON BOOK I-BOOK IV”. Journal of Al-Tamaddun, vol. 15, no. 2, Dec. 2020, pp. 115-32, doi:10.22452/JAT.vol15no2.9.