ไชยชาญ ว. “Wild Orchids Diversity in Area of Office Building and Orchid Garden of Thung Khai Botanical Garden, Trang Province”. Wichcha Journal Nakhon Si Thammarat Rajabhat University, vol. 36, no. 2, Dec. 2017, pp. 36-47, https://li01.tci-thaijo.org/index.php/wichcha/article/view/95837.