Assalamah, T.M. 2020. The Influence of Brand Ambassador Iqbaal Ramadhan on Parental Decisions in the Digital Community of East Java Smart Parents in Choosing Ruangguru as a Children’s Online Tutoring Media. The Commercium. 3, 2 (Sep. 2020), 1–5. DOI:https://doi.org/10.26740/tc.v3i2.36275.