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. TGJ [internet]. 2020 Jul. 21 [cited 2025 Apr. 9];1(1):1-16. available from: https://ph03.tci-thaijo.org/index.php/TGJ/article/view/1574