Sukmayasa, I, Irawan, Muh., AND Friman, Margareta. " SATISFACTION WITH TRAVEL SCALE (STS) BEFORE AND AFTER IMPLEMENTING NEW IMPROVEMENT (STUDY CASE: KARLSTADSBUSS SWEDEN)" Prosiding Forum Studi Transportasi Antar Perguruan Tinggi [Online], Volume 2 Number 2 (31 December 2015)