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