Anong Chirapart, Jittima Munkit and Khanjanapaj Lewmanomont 2006. Changes in Yield and Quality of Agar from the Agarophytes, Gracilaria fisheri and G. tenuistipitata var. liui Cultivated in Earthen Ponds. Agriculture and Natural Resources. 40, 2 (Apr. 2006), 529–540.