Basmantra, I., Widhiasthini, N., & Purwita, I. A. (2022). The The Effect of Digital Marketing and Lifestyle Towards the Users Decision on Mobile Learning (Ruang Guru) In The Industry 4.0. Eqien - Jurnal Ekonomi Dan Bisnis, 9(2), 224 -. https://doi.org/10.34308/eqien.v9i2.390