Sipayung T, Sihombing R, Sinaga A, Fadli A, Alfisyahri F. THE EFFECT OF SERVICE QUALITY AND PRODUCT FACILITIES ON CONSUMER SATISFACTION WITH PRICES (TOLL FREE) AS INTERVENING VARIABLES (Case Study on Jasa Marga Mabar 1 Toll Gate). Jurnal Ekonomi [Internet]. 2023 Jan. 16 [cited 2024 Dec. 5];12(01):589-95. Available from: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/1188