PMP exam Prep: rapid learning to pass PMI's PMP exam - on your first try! / Rita Mulcahy
What tourists worry about - construction of a scale measuring tourist worries / Svein Larsen, Wibecke Brun, Torvald Ogaard
Implications of the cementation of beach sediments for the recreational use of the beach / Michalis I. Vousdoukas [et al.]