Sattraburut, Thunyapat, Yupa Thasod, Benjavun Ratanasthien, and Sirasit Vongvassana. 2025. “Spore Color Index Study of the Hongsa Sediments, Lao PDR: Implications for Thermal Maturity and Paleoenvironment”. Tropical Natural History 25 (1):57-71. https://doi.org/10.58837/tnh.25.1.263693.