SUBANTI, Sri, 		HAKIM, Arif, 		IRAWAN, BRM, AND 		HAKIM, Inaki.
" Determinant of Willingness to Pay and Economic Value for Tourism Object using Contingent Valuation Method: The Case of Sangiran Sites, Province of Central Java, Indonesia" <em>Journal of Environmental Management and Tourism</em> [Online], Volume 8 Number 4 (13 October 2017)