BASMANTRA, I.; WIDHIASTHINI, N.; PURWITA, I. A. 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, v. 9, n. 2, p. 224 -, 31 mar. 2022.