HADA, S.; KHOSITHANONT, S.; GOTO, H. A remarkable end-Permian boulder bed of conglomeratic limestone at Nam Nao in NE Thailand: its biostratigraphical and environmental significance. Thai Geoscience Journal, Bangkok, Thailand, v. 1, n. 1, p. 1–16, 2020. Disponível em: https://ph03.tci-thaijo.org/index.php/TGJ/article/view/1574. Acesso em: 16 sep. 2026.