EVALUASI TARIF ANGKUTAN UMUM BERDASARKAN ABILITY TO PAY (ATP) DAN WILLINGNESS TO PAY (WTP) DI KOTA PANGKALPINANG. FROPIL (Forum Profesional Teknik Sipil), [S. l.], v. 4, n. 2, p. 156–164, 2016. DOI: 10.33019/fropil.v4i2.1245. Disponível em: https://journal.ubb.ac.id/index.php/fropil/article/view/1245. Acesso em: 25 apr. 2026.