Ahmadi, Daffa, and Didik Harianto. 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 (April):10.21070/ijins.v22i.851. https://doi.org/10.21070/ijins.v22i.851.