KREOUNGSANU, C.; SUKSARD, S. Opinions of Para Rubber Tree Growerson their Enterprise in Phayao Province. Thai Journal of Forestry, Bangkok, Thailand, v. 33, n. 2, p. 123–130, 2022. Disponível em: https://li01.tci-thaijo.org/index.php/tjf/article/view/255446. Acesso em: 19 may. 2024.