Hariyanti, Novi Tri, Edwin Meinardi Trianto, and Alexander Wirapraja. “Hubungan Variabel Pemasaran Digital Terhadap Electronic Word Of Mouth (E-WOM): Sebuah Studi Literatur”. Teknika 9, no. 2 (November 4, 2020): 146-155. Accessed April 22, 2021. http://ejournal.ikado.ac.id/index.php/teknika/article/view/299.