Analisa tarif tol berdasarkan studi willingness to pay. (Studi kasus: Rencana Jalan Tol Lingkar Luar (JORR II) ruas Cengkareng - Kunciran = Analysis of toll rates based on willingness-to-pay studies. (Case study Jakarta Outer Ring Highway Plan (JORR II) Cengkareng-Kunciran segment - Kemal Sandianugraha, author (2010)