Settumba SN; Shanahan M; Botha W; Ramli MZ; Chambers GM, 2019, 'Reliability and Validity of the Contingent Valuation Method for Estimating Willingness to Pay: A Case of In Vitro Fertilisation', Applied Health Economics and Health Policy, vol. 17, pp. 103 - 110, 10.1007/s40258-018-0433-3