Ponrahono, Z., Mohd Isa, N., Aris, A. Z., & Harun, R. (2019). THE TRAFFIC VOLUME AND LEVEL OF SERVICE (LOS) OF UNIVERSITI PUTRA MALAYSIA (UPM) SERDANG CAMPUS MAIN ACCESS. PLANNING MALAYSIA, 17(10). https://doi.org/10.21837/pm.v17i10.628