Firdaus, Hendy Yusman, Muhammad Isradi, Joewono Prasetijo, Muhammad Rifqi, and Hasmar Halim. 2022. “Analysis of Transjakarta Service Performance on the Cibubur-BKN by Servqual Method ”. European Journal of Science, Innovation and Technology 2 (1), 113-23. https://ejsit-journal.com/index.php/ejsit/article/view/75.