Nutthapornnitchakul, Surapa, Surin Peyachoknagul, Pattamon Sangin, Anupan Kongbungkerd, Tassanai Punjansing, and Maliwan Nakkuntod. 2019. “Genetic relationship of orchids in the Calanthe group based on sequence-related amplified polymorphism markers and development of sequence-characterized amplified regions markers for some genus/species identification”. Agriculture and Natural Resources 53 (4). Bangkok, Thailand:340-47. https://li01.tci-thaijo.org/index.php/anres/article/view/228717.