Lukman Hakim Sangapan, Prasetyono Hendriarto, Atik Budi Paryanti, Adler Haymans Manurung, and Amran Manurung, “Digital Transformation in Business Models: A Systematic Review of Strategies and Their Impact on Company Performance”, SIJDB, vol. 3, no. 2, pp. 86–96, Oct. 2025.