Junsawung, W., P. Sunthornhao, and S. Teejuntuk. “Suitable Tree Species for Forest Restoration of a Para Rubber Plantation to an Economic Forest”. Thai Journal of Forestry, vol. 39, no. 1, June 2020, pp. 176-90, https://li01.tci-thaijo.org/index.php/tjf/article/view/246005.