WANCHAI, P., STANFORD, C.B., PRADATSUNDARASAR, A.-O., THARAPOOM, K. and THIRAKHUPT, K. 2013. Activity Budget of the Impressed Tortoise, Manouria impressa (Günther, 1882), in Phu Luang Wildlife Sanctuary, Thailand. Tropical Natural History. 13, 1 (Apr. 2013), 39–48.