Ahmadi, Daffa, and Didik Harianto. “Using Instagram As a Marketing Strategy for American Restaurants in Surabaya During the Covid-19 Pandemic”. Indonesian Journal of Innovation Studies 22 (April 24, 2023): 10.21070/ijins.v22i.851. Accessed July 22, 2024. https://ijins.umsida.ac.id/index.php/ijins/article/view/851.