Sattraburut, T., Thasod, Y., Ratanasthien, B. and Vongvassana, S. (2025) “Spore Color Index Study of the Hongsa Sediments, Lao PDR: Implications for Thermal Maturity and Paleoenvironment”, Tropical Natural History, 25(1), pp. 57–71. doi: 10.58837/tnh.25.1.263693.