Maliq, Tatang, 		Sulistio, Harnen, 		Djakfar, Ludfi, AND 		Sulistyono, Sonya.
" THE EFFECT OF USING A COUNTDOWN TIMER ON THE SIGNALIZED INTERSECTIONS PERFORMANCE IN MALANG CITY" <em>Jurnal Rekayasa Sipil dan Lingkungan</em> [Online], Volume 2 Number 02 (3 December 2018)