Margareth Sagala Y, Siregar A. CUSTOMER SATISFACTION DEVELOPMENT STRATEGY FOR ONLINE TRANSPORTATION USERS IN THE COVID-19 ERA (STUDY ON KEK ONLINE IN TEBING TINGGI). IJERLAS [Internet]. 2022 Jan. 26 [cited 2024 Nov. 2];2(1):89-98. Available from: http://radjapublika.com/index.php/IJERLAS/article/view/153