Susanto, A. H., T. Simatupang, and M. Wasesa. “Industry 4.0 Maturity Models to Support Smart Manufacturing Transformation: A Systematic Literature Review”. Jurnal RESTI (Rekayasa Sistem Dan Teknologi Informasi), Vol. 7, no. 2, Mar. 2023, pp. 334 -4, doi:10.29207/resti.v7i2.4588.