Srinawakron, O. ., P. . Sriwongras, K. . Intani, and S. Sayasoonthorn. “Development and Testing of Orchid Planting Materials Using Oil Palm Empty Fruit Bunches”. Rajamangala University of Technology Tawan-Ok Research Journal, vol. 16, no. 2, Dec. 2023, pp. 35-46, https://li01.tci-thaijo.org/index.php/researchjournal2rmutto/article/view/260029.