Rachmad, Yoesoep Edhie, and Budiyanto Budiyanto. 2022. “PERCEPTION ANALYSIS OF SALES VOLUME ON PARTNER WHO USING THREE FOOD DELIVERY APPS IN SURABAYA”. International Conference of Business and Social Sciences 2 (1):116-22. https://debian.stiesia.ac.id/index.php/icobuss1st/article/view/159.