WANCHAI, P.; STANFORD, C. B.; PRADATSUNDARASAR, A.-O.; THARAPOOM, K.; THIRAKHUPT, K. Activity Budget of the Impressed Tortoise, Manouria impressa (Günther, 1882), in Phu Luang Wildlife Sanctuary, Thailand. Trop. Nat. His. 2013, 13, 39-48.