Zerry All Vindo Tarigan, Ali Napiah Nasution, and Chrismis Novalinda Ginting. “An Integrated Marketing Communication Strategy to Increase a Number of Inpathent Visits at Efarina Etaham Hospital Berastagi”. Jurnal Info Sains : Informatika Dan Sains, vol. 14, no. 01, Feb. 2024, pp. 795-10, https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/4133.