Tejam, C. S., & Ross, S. A. (1997). Manual of practice contingent valuation survey for Integrated Coastal Management(ICM) applications. GEF/UNDP/IMO Regional Programme for the Prevention and Management of Marine Pollution in the East Asian Seas.
Cita Chicago (17th ed.)Tejam, Catalina S., i S. Adrian Ross. Manual of Practice Contingent Valuation Survey for Integrated Coastal Management(ICM) Applications. Quezon City, Philippines: GEF/UNDP/IMO Regional Programme for the Prevention and Management of Marine Pollution in the East Asian Seas, 1997.
Cita MLA (9th ed.)Tejam, Catalina S., i S. Adrian Ross. Manual of Practice Contingent Valuation Survey for Integrated Coastal Management(ICM) Applications. GEF/UNDP/IMO Regional Programme for the Prevention and Management of Marine Pollution in the East Asian Seas, 1997.