Heterogeneity in urban park use a aging visitors: a latent class analysis / Astrid D. A. M. Kemperman Harry J. P. Timmermans
COTA(S): RE-1633
The influence of low-fare airlines on vacation choices of students: Results of a stated portfolio choice experiment / Anna B. Grigolon, Astrid D.A.M. Kemperman, Harry J.P. Timmermans
COTA(S): RE-1193