Pornpimon Athipunyakom, Leka Manoch, and Chitrapan Piluek. “Isolation and Identification of Mycorrhizal Fungi from Eleven Terrestrial Orchids”. Agriculture and Natural Resources, vol. 38, no. 2, Apr. 2004, pp. 216-28, https://li01.tci-thaijo.org/index.php/anres/article/view/242953.