งานวิจัย ปี 2005
Hanta, R., Ratanasthien, B., Kunimatsu, Y., Saegusa, H., Nakaya, H. and
              Jintasakul, P. (2005). Description of the Tha Chang Merycopotamus and
              its preserved condition, In: Kriengsak, L., Srisuk,   W., Rungruang, W.,
              and Lertsirivorakul, Y. (eds.), International Conference on Geology,
                 Geotechnology and Mineral Resources of Indochina
, November 28-30,
              Khon Kaen, Thailand, pp. 600-605.

Tong, H., Claude, J., Buffetaut, E., Suteethorn, V. and Jintasakul P. (2005).
              The turtle fauna from the Khok Kruat Formation (Early Cretaceous)
              of Thailand, In: Kriengsak, L., Srisuk, W., Rungruang, W., and
              Lertsirivorakul, Y. (eds.), International Conference on Geology,
                 Geotechnology and Mineral Resources of Indochina
, November
              28 – 30, Khon Kaen, Thailand, pp. 610-614.

Saegusa, H., Thasod, Y., and Ratanasthien, B. (2005). Notes on Asian
             stegodontids, Quaternary International, 126-128: 31-48. ( Link )
 
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