Ahmadi, D. and Harianto, D. (2023) “Using Instagram as a Marketing Strategy for American Restaurants in Surabaya during the Covid-19 Pandemic: Penggunaan Instagram Sebagai Strategi Pemasaran Restoran Amerika di Surabaya pada Masa Pandemi Covid-19”, Indonesian Journal of Innovation Studies, 22, p. 10.21070/ijins.v22i.851. doi: 10.21070/ijins.v22i.851.