KEERATIVIBOOL, W. Costs and Benefits Gained from Planting Para Rubber in the form of System of Simultaneous Equations: A Case Study of Pa Phayom District, Phatthalung Province and Thung Song District, Nakhon Si Thammarat Province. NIDA Development Journal, [S. l.], v. 54, n. 3, p. 95–124, 2014. DOI: 10.14456/ndj.2014.28. Disponível em: https://so04.tci-thaijo.org/index.php/NDJ/article/view/28300. Acesso em: 1 oct. 2026.