Setiawan, Budi. 2014. “Influence on Consumer Behavior: The Impact of Direct to Consumer Advertising on Medication Requests (Study Cases for Gastrosepophageal Reflux Disease and Social Anxiety Disorder Treatment in United States”. Jurnal Manajemen Maranatha 11 (2). https://doi.org/10.28932/jmm.v11i2.180.