Poonyawee Srisantear. 2016. The valuation of use value and existence value of water onion (Crinum thaianum) in Ranong and Phang Nga provinces. , Mahidol University;
Poonyawee Srisantear. (2016) The valuation of use value and existence value of water onion (Crinum thaianum) in Ranong and Phang Nga provinces . Mahidol University/Nakhon Pathom.
Poonyawee Srisantear. The valuation of use value and existence value of water onion (Crinum thaianum) in Ranong and Phang Nga provinces. . Nakhon Pathom:Mahidol University, 2016.
Poonyawee Srisantear. (2016) The valuation of use value and existence value of water onion (Crinum thaianum) in Ranong and Phang Nga provinces . Mahidol University/Nakhon Pathom.