Sari, R.R. and Lestari, D. 2014. OPTIMIZATION OF TRANSPORT SYSTEM IN YOGYAKARTA CITY WITH VEHICLE ROUTING PROBLEM MODEL USING ALGORITHM SEQUENTIAL INSERTION. Jurnal Penelitian Saintek. 19, 1 (Sep. 2014). DOI:https://doi.org/10.21831/jps.v19i1.2324.