WANCHAI, P., C. B. STANFORD, A.-O. PRADATSUNDARASAR, K. THARAPOOM, and K. THIRAKHUPT. “Activity Budget of the Impressed Tortoise, Manouria impressa (Günther, 1882), in Phu Luang Wildlife Sanctuary, Thailand”. Tropical Natural History, vol. 13, no. 1, Apr. 2013, pp. 39-48, doi:10.58837/tnh.13.1.103041.