Permadi, Andrie, and Sukardi Silalahi. “The Effect of Customer Experience and Customer Engagement Through Customer Loyalty on Sales Revenue Achievement at PT United Tractors”. Emerging Markets : Business and Management Studies Journal 9, no. 1 (October 8, 2021): 1-17. Accessed April 26, 2024. https://journal.sgu.ac.id/ijembm/index.php/ijembm/article/view/194.