Yulinar, E. F., and F. A. Kurniawan. “Tantangan Dan Peluang Implementasi Coretax DJP: Studi Kasus Pada PT Berkah Taxindo Sejahtera: Challenges And Opportunities In The Implementation Of The DJP’S Coretax System: A Case Study Of PT Berkah Taxindo Sejahtera”. Citizen : Jurnal Ilmiah Multidisiplin Indonesia, vol. 6, no. 3, Oct. 2025, pp. 752-61, doi:10.53866/jimi.v6i3.1467.